Question

Janet earns $300 per week plus a commission of 10% on all sales that she makes. Write a formula for E, Janet's weekly earnings, in term of s, her sales for the week. Then solve your firmula for s

Answer 1

E = 300 + 0.1s
s being the sales that she makes
s = (E - 300) / 0.1

Answer 2

10/100= 0.1
0.1 x 300

E= 0.1(s) (300)