Question

Earl earns a salary of $150 plus 20% of the amount of his sales for the week. Last week he earned $230. This equation can be used to find S, the amount of his sales in dollars last week. 230=150+0.2s

Answer 1

The third one is the right one.

230 = 150 + 0.2s

= $400 < answer

Explanation:

Answer 2

230-150= 80
80/0.2=400

s=400

CHECK YOUR WORK-
230=150+0.2(400)
230=150+80
230=230