1. How many gallons of water are pumped out each hour? 2. How long will it take to empty the pool? 3. How many gallons of water are in the pool at the start?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.6: Wind And Water Current Problems
Problem 6OE
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O Suppose the equation for the amount of water w (in gallons) in the pool
after t hours is w = -450(2t – 7).
1. How many gallons of water are pumped out each hour?
2. How long will it take to empty the pool?
3. How many gallons of water are in the pool at the start?
4. Write an expression that is equivalent to –450(2t – 7). Which
expression is more useful? Explain.
Transcribed Image Text:O Suppose the equation for the amount of water w (in gallons) in the pool after t hours is w = -450(2t – 7). 1. How many gallons of water are pumped out each hour? 2. How long will it take to empty the pool? 3. How many gallons of water are in the pool at the start? 4. Write an expression that is equivalent to –450(2t – 7). Which expression is more useful? Explain.
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