SOLUTION: A woman sells an oil in a cylinder of 8cm deep and 6cm diameter at £15.if she bought an oil in a cylinder 18cm deep and 10cm diameter at £50.find how much she made selling the oil

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Question 888430: A woman sells an oil in a cylinder of 8cm deep and 6cm diameter at £15.if she bought an oil in a cylinder 18cm deep and 10cm diameter at £50.find how much she made selling the oil
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
Volume of a cylinder = Pi r%5E2 * h
Sold at Pi 3%5E2 * 8 = 72 Pi for £15 or 4.8 Pi per £
Bought at Pi 5%5E2 * 18 = 450 Pi for 50£ or 9 Pi per £
If she sells the whole cylinder's worth, she will sell 6 of the small cylinders with 1%2F4's worth left over. That's 90£ of oil that she bought for 50£, or 40£ profit.
If you count the quarter of a cylinder left over, add another 3.75£.