a company offers the following formula for the weekly salary of its sales people, depending on the number of…

a company offers the following formula for the weekly salary of its sales people, depending on the number of sales, s, made each week: 100 + 0.80s dollars. how many sales must be made to receive $500 a week?
Answer
Answer:
500
Explanation:
Step1: Set up the equation
$100 + 0.80s=500$
Step2: Isolate the term with s
$0.80s=500 - 100$ $0.80s = 400$
Step3: Solve for s
$s=\frac{400}{0.80}$ $s = 500$