Mathematics

Karter Malone

28 December, 16:09

17. Ben works at a mobile phone store, where he earns a flat $80 for each 8-hour shift. He also earns a commission of $20 for each phone that he sells. If e stands for Ben's earnings and m is the number of mobile phones he sells, which of the following equations describes the amount of money that he earns in one shift?

A) e = m + 100

B) e = 20m + 80

C) e = - 20m + 80

D) e = m + 80