Question

Tom saves $5 each month. at this rate, how many months will he need to save $20?

a. 4 months
b. 15 months
c. 3 months
d. 5 months

Answer 1

amount saved=time times amount saved per month
amount saved=m times 5 dollars

when will amoun saved=20?
5m=20
divide both sides by 5
m=4

answe ris 4 months
A

Answer 2

5x = 20...where x = number of months
x = 20/5
x = 4...it would take Tom 4 months to save $20