Question

At shoes for less, a pair of shoes is 15$ less than a pair of boots. Kennedy purchased three pairs of shoes and two pairs of boots for $120. How much does each cost?

Answer 1

b=s-15 b=boots, s=shoes

2b+3s=120
2(s-15)+3s=120
2s+3s-30=120
5s=150
s=30$. b=s-15
b=15$