9514 1404 393
Answer:
$2000
Explanation:
For the two pay scales to give the same pay, we must have sales (s) be ...
600 +0.35s = 500 +0.40s
100 = 0.05s . . . . . . . . . . . . . . subtract 500 +0.35s
100/0.05 = s = 2000 . . . . . divide by the coefficient of s
Chris must make $2000 in sales per week for the two jobs to pay the same.