A store in Roger's neighborhood sells boxes of pencils that have 3 pencils in each box .Roger bought several boxes of pencils at the store . Which could be the number of pencils he bought.

Respuesta :

he could have had 3,6,9,12,15,,18,21,24,27,30 etc....
write down on a piece of paper 3,6,9,12,15,18,21,24,27,30 and for sure u'll find the answer