Theresa invested $5,000 in an account she expects will earn 23% annually. Approximately how many years will it take for the account to double in value?

Q: chemist has 10 mL of a solution that contains a 30% concentration of acid. How many mL of pure acid…

A: Given that: Volume of solution =10 mLConcentration of acid in the solution = 30%

Q: Christy invests $2300 in one account and $1300 in an account paying 4 % higher interest. At the end…

A: Given:  Christy invests $2300 in one account and $1300 in an account paying 4% higher interest.…

Q: Rafael works at a clothing store making $15 per hour plus commission on his weekly sales. He earns…

A: Rafael works at a clothing store making $15 per hour plus commission on his weekly sales. He earns…

Q: Maria Invests $600 in a bank account that earns simple interest. She earns $30 at the end of 12…

A: Given the query is to the interest rate and with the help of that find the interest amount for…

Q: Phyllis invested $11,500, a portion earning a simple interest rate of 6% per year and the rest…

A: Solution:

Q: The number of hours left in the day is half the number of hours already passed.       How many…

A: It is given that, the number of hours left in a day is half the number of hours already passed. Let…

Q: Tacoma's population in 2000 was about 200 thousand and has been growing by about 8% each year. If…

A: There is a compounding effect in the growth of the population. So, the population after n years will…

Q: for

A:

Q: 3. Jason started a lawn cutting business for the 10 weeks of summer. In his first week, he earned…

A: Given,           Jason started a lawn cutting business for the 10 weeks of summer. In his…

Q: 240 students enrolled in a freshman-level chemistry class. By the end of the semester, 5 times the…

A: Total 240 Students enrolled in a freshman- level chemistry class.

Q: The price of a gallon of milk is increasing at a rate of 1 % per year. If a gallon of milk costs…

A: Given gallon of milk cost is $3.5 in 2014It is increasing at a rate of 1% per yearWe should…

Q: Amber invests $1600 in one account and $1300 in an account paying 4 % higher interest. At the end of…

A: Investment 1 is $1600 Investment 2 is $1300 Rate of interest of second investment is 4% higher than…

Q: Phyllis invested $9,500, a portion earning a simple interest rate of 8% per year and the rest…

A:

Q: Nancy invested $6000 in a bond at a yearly rate of 3%. She earned $450 in interest. How long was the…

A: We can find the duration of investment as below.

Q: Jane's savings for the month is 30 less than twice the savings of justin. They decided to combine…

A: In this question we have to find how much is the total they have.

Q: Jasmine invests $2400 in one account and $1900 in an account paying 3 % higher interest. At the end…

A:

Q: Luis ride his bicycle 3/4 mile in 15 minutes along the bike trail. Assuming he rides at a constant…

A:

Q: A student received an inheritance from her grandmother of $1000. She places the money in a savings…

A: Simple interest

Q: Maria invests $600​ in a bank account that earns simple interest. She earns $30​ at the end of 12​…

A: Identify the values of the principal amount (P), period (n) and the simple interest amount (I) from…

Q: Jennifer is saving money to buy a bike. The bike costs $298. She has $103 saved, and each week she…

A: Jennifer is saving money to buy bike. The cost of the bike is $298. She has $103 and each week she…

Q: A basketball player has made 12 of his last 20 free throws, which is a free throw percentage of 60%.…

A: Given,  The total number of throws the basketball player made = 20 Number of successful free throw =…

Q: Ken wants a $1,000 TV/sound system. He can't afford that amount, so he uses a credit card with 20%…

A: Consider the given information: Cost of TV is $1000. As interest is paid every month this problem…

Q: An adult takes 400 mg of Ibuprofen. Each hour the amount of ibuprofen in a persons system decreases…

A: Given, An adult take  400 mg of Ibuprofen.  Each hour the amount of ibuprofen in a persons system…

Q: John can finish painting a small house using his electric painting machine in 5 hours. When George…

A:

Q: Zoey wants to use her iPad throughout a 6-hour flight. Upon takeoff, she uses the iPad for 2 hours…

A: According to the given information:Zoey has her iPad throughout a 6 hours flight. For 2 hours 25% of…

Q: 200 students enrolled in a freshman-level chemistry class. By the end of the semester, 4 times the…

A: Total number of students enrolled =200 The number of students failed in the semester=x The number of…

Q: You have $60,000 to invest. You will invest M dollars in municipal bonds and T dollars in Treasury…

A: Please see the explanation below

Q: Donald is a personal chef, who charges $115 per four-person meal; his monthly expenses are $2700.…

A:

Q: David gave 10 cents to his daughter on her first birthday. He decided to give her triple the amount…

A: David decided to give her triple the amount on each subsequent birthday.   The initial amount is…

Q: pest control services sell insect-killing equipment for $40. the shop's cost is $ 20and the…

A:

Q: Club members equally share the cost of $1500 to charter a fishing boat. Shortly before the boat is…

A:

Q: Heather invests $800 in one account and $2000 in an account paying 2 % higher interest. At the end…

A:

Q: laptop computer consumes about 20 watts of electricity per hour when operating. At 10 cents per…

A: A laptop computer consumes about 20 watts of electricity per hour when operating.  we need to find…

Q: The baby giraffe weighed 132 pounds at birth. He gained weight at a steady rate for the first 7…

A: This is a basic algebra problem

Q: Mason works at a part-time job earning $1010 every two weeks. Mason’s expenses are $750 a month for…

A:

Q: Victoria invests $8000 in a account that compounds interest quarterly and earns 5% .How many years…

A: We have to find the year

Q: The amount of theatregoers has declined 18.7 %. By how many percent must the ticket price be raised…

A: Percentage change

Q: A woman invests S4000 in two accounts, one at 6% interest, the other at 9% interest for one year. At…

A: Consider x as the amount invested at rate of 6%. That is 0.06x. Then 4000 – x is the amount invested…

Q: Eric takes 4 minutes to run around the school track. Andy can run around the track in 6 minutes. If…

A:

Q: The baby giraffe weighed 132 pounds at birth. He gained weight at a steady rate for the first months…

A:

Q: Carl invested $10000 into a CD that compounds quarterly with an annual interest rate of 4.5%.…

A: Given Carl invested $10000 into a CD that compounds quarterly with an annual interest rate of 4.5%.…

Q: Dylan goes out for a 38 km bike ride. After he rode 30km he had a flat tire and had to walk the…

A: Given  dylan total ride = 38 km cycling = 30 km walking =8 km walking speed is 10 km/hr less than…

Q: Jennifer is saving money to buy a bike. The bike costs $286. She has $117 saved, and each week she…

A:

Q: You invested $8000 in two funds paying 2% and 5% annual interest. At the end of the year, the…

A:

Q: Miranda invests $1700 in one account and $2100 in an account paying 4 % higher interest. At the end…

A: Given : Miranda invests $1700 in one account and $2100 in an account paying 4 % higher interest

Q: Jeff invested $40,000 in a business whereas his partner Kris invested $90,000. How much more (in…

A: Given,             Jeff investment = $40000            It's partner investment = $ 90000…

Q: Zoey wants to use her iPad throughout a 6-hour flight. Upon takeoff, she uses the iPad for 2 hours…

A: According to the provided information, Zoey uses the iPad for 2 hours and notices that the battery…

Q: Mikayla invests $2000 in one account and $900 in an account paying 3 % higher interest. At the end…

A: Basics  of Simple interest.

Q: You invested $13,000 in two accounts paying 3% and 5% annual interest, respectively. If the total…

A:

Q: On a bicycle, Tiffany rides for 8 hours and is 34 miles from her house. After riding for 11 hours,…

A: