Questions on Word Problems: Linear Equations And Systems Word Problems answered by real tutors!

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Question 152461: After operating for 40 minutes, a small pump has removed 60 gallons of water from a 6000-gallon swimming pool. There is a linear relationship between the gallons of water V remaining in the pool and the pumping time t in minutes. Find the equation for this relationship. : After operating for 40 minutes, a small pump has removed 60 gallons of water from a 6000-gallon swimming pool. There is a linear relationship between the gallons of water V remaining in the pool and the pumping time t in minutes. Find the equation for this relationship.
Answer by ankor@dixie-net.com(4538) About Me  (Show Source):
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After operating for 40 minutes, a small pump has removed 60 gallons of water from a 6000-gallon swimming pool. There is a linear relationship between the gallons of water V remaining in the pool and the pumping time t in minutes. Find the equation for this relationship.
:
Find the pumping rate from the statement:
"After operating for 40 minutes, a small pump has removed 60 gallons of water"
60/40 = 1.5 gal/min
:
The equation:
V = 6000 - 1.5t