You are considering two cars that you plan on keeping for 5 years. One has ar EPA combined city and highway rating of 33 mpg. The second has an EPA rating of 35 mpg. Suppose gasoline costs $3.48 per gallon and you drive 10,000 miles each year. (a) How much (in dollars) will you save in 1 year by purchasing the 35 mpg car? (Enter a number. Round your answer to the nearest cent.) $ (b) If you deposit that amount at the end of each year for the 5 years of ownership into an account that earns 4.3% compounded annually, how much (in dollars) will you save over 5 years? (Enter a number. Round your answer to the nearest cent.) $
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
(a)
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(b)
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