Question

if i make 15 dollars a month and i need 791 dollars how many months will i have to save up for

Answer 1

you will nedd 52.7months

Answer 2

This is a dividing question. Since you get 15 dollars per month just divide 791 by 15. Then you will get the amount of months he will need to save.
*791/15=52.7*
He will need to save his money for about 52.7 or 53 months.
Hoped I helped!