Homework Help: Maths

Posted by Anonymous on Thursday, February 24, 2011 at 8:03pm.

A coffee urn holds 12 litres when full. Harry fills coffee cups from the urn until the coffee runs out.
A)How many 140mls cups of coffee can be filled from the urn?
B)At the end there is not enough coffee left to fill a cup, Harry decides to drink it himself. How much coffee is there left for him?

Maths - MathMate, Thursday, February 24, 2011 at 9:06pm
Number of cups
= 12*1000 ml / 140 ml/cup
= 85.71 cups
So there were 85 cups and 0.71*140=100 ml for him to drink.

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