Posted by Anonymous on Thursday, February 24, 2011 at 2:22am.
A coffee urn holds 12 litres when full. Harry fills coffee cups from the urn until the coffee runs out.
A)How many 140ml 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?

math  PsyDAG, Thursday, February 24, 2011 at 10:44am
1 liter = 1000ml
A. 12000/140 = ?
B. Decimal portion of A.