Question

Myra's stamp collection consisted of 120 stamps in october by the following march her collection had grown to 138 by how much did her collection increase between october and march

Answer 1

If it was 120 stamps in October but by the following March it was 138 stamps. Her collection grew 18 stamps between 5-6 months. If it is 6 months then that is atleast 2 stamps a month.

Answer 2

i know this is really late but this is for anyone else that wants to know the answer

138 -120 = 18 18/120 X 100 = 15%