Question

Suppose  1/4 of Billy's stamp collection  are cancelled stamps  and 3/4  of the stamp collection are uncancelled stamps.  How many stamps might be in his collection

Answer 1

There might be 4, because in fractions the total amount of something is the bottom number.

Answer 2

The number of stamps might be :4,8,12,.....(a number witch is a mulpiple of 4)