Mathematics
brooke99
2

A pool is being drained at a constant rate. The amount of water is a function of the number of minutes the pool has been draining, as shown in the table. Write an equation in slope-intercept form that represents the function. Then find the water in the pool after two and a half hours.  Time (mi)       12--------20------50 Volumne (gal) 4962--4754--3974

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(1) Answers
Skyheart

12a+b=4962 20a+b=4754 8a=-208 a=-26 -312+b=4962 b=4962+312 b=5274 y=-26x+5274 x=0 -- y=5274 y=0 -- 26x=5274, x=80.85 (approx.)

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