Answer :
Explanation:
In 2 hours (x) Frank earned $31(y)
In 4 hours (x) Frank earned $62(y)
2x = 31y
31 / 2 = 15.5
4x = 15.5 x 4 = 62y
In 2 hours (x) Frank earned $31(y)
In 4 hours (x) Frank earned $62(y)
2x = 31y
31 / 2 = 15.5
4x = 15.5 x 4 = 62y