SOLUTION: A barrel has a height of 60,45 cm and a radius of 29 cm. Diesel costs R13,30 per litre. What is the cost to fill the barrel?

Algebra ->  Volume -> SOLUTION: A barrel has a height of 60,45 cm and a radius of 29 cm. Diesel costs R13,30 per litre. What is the cost to fill the barrel?      Log On


   

Question 941586: A barrel has a height of 60,45 cm and a radius of 29 cm. Diesel costs R13,30 per litre. What is the cost to fill the barrel?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
volume of a cylinder:
V=pi%28r%5E2%29%28h%29
V=pi%2829cm%5E2%29%2860.45cm%29
V=159714 cu cm
1 cu cm = 1 ml and 1000 ml= 1L so
V=159714 ml/1000 ml/L= 159 L
The cost is R13.30 so total cost:
159L(R13.30/L)=R2114.7