SOLUTION: A service staition storage tank needs refilling as there are only 1500 liters left in tanks. Petrol is pumped into the tank at the rate of 750 litersper minutes A. How much petro

Question 1058533: A service staition storage tank needs refilling as there are only 1500 liters left in tanks. Petrol is pumped into the tank at the rate of 750 litersper minutes
A. How much petrol isin the tank at the start of the third minutes?
B. Write an expression for the amount of petrol in the tank, An , at the start of the nth minutes?
C. The tank hold 15000 liters. How long does it take to fillthe tank?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It is 1500+(750)(3)=1500+2250=3750 l.
For n minutes, it is 1500+750n
15000=1500+750n
13500=750n
n=18 minutes.
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