SOLUTION: After operating for 20 minutes, a small pump has removed 30 gallons of water from a 9000 gallon swimming pool. There is a linear relationship between the gallons of water v reamin
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Question 496833: After operating for 20 minutes, a small pump has removed 30 gallons of water from a 9000 gallon swimming pool. There is a linear relationship between the gallons of water v reamining in the pool and the pumping time t in minutes. find the equation for this reltionship? Found 2 solutions by jorel1380, josmiceli:Answer by jorel1380(3719) (Show Source):
You can put this solution on YOUR website! After 20 min, there is gallons
left.
At , there was gallons in the pool
If gallons remaining is , and
time of pumping is , the the point-slope formula is:
Multiply both sides by
check answer:
OK
