Popo begins painting at 12:00 noon. At 12:30 PM, he estimates that 15.75 gallons of paint are left and at 2:00 PM, he estimates that 10.5 gallons of paint remain. If the paint is being used at a constant rate, how many gallons of paint did Popo have when he started the job?

Question

anonymous · Answer

@timo86m

anonymous · Answer

t1=12:00
t2=12:30         at  t2       paint=15.75
t3=  2;00         at  t3        paint=10.5

The biggest hint is the constant rate :D  so a rate is also m= slope =
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