Question

There are 6 children at a birthday party. Each child gets 2 1/3 cups of fruit punch. How many cups of fruit punch are needed for all six children?

Answer 1

6 * 2 1/3

= 6 * ( 2 + 1/3)
= 12 + 6/3
= 12 + 2
= 14
another way:
2 1/3 = 7/3
6 * 7/3 = 2*7
= 14 again, remarkable