Problema Solution
Jenna has 7 more five dollar bills than 10 dollar bills. The value of the five dollar bills equals the value of the 10 dollar bills. how many five dollar bills does Gemma have?
Answer provided by our tutors
let 'x' represent the number of five dollar bills, then 'x-7' represents the number of 10 dollar bills
the dollar values are equal:
5x = 10(x-7)
solving for 'x' we have x=14
Gemma has 14 five dollar bills