Roger gets $40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day.

Question

Roger gets $40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. His daily earnings goal is $112.

Answer 1

40 + 4.5s = 112

40 + 4.5s - 40 = 112 - 40

4.5s = 72

4.5s/4.5 = 72/4.5

s = 16

 

He needs to sell 16 pairs of shoes to make $112.