SOLUTION: Chris can be paid in one of two ways. Plan A is a salary of $390 per month, plus a commission of 7% of sales. Plan B is a salary of $544 per month, plus a commission of 5% of sales

Question 951596: Chris can be paid in one of two ways. Plan A is a salary of $390 per month, plus a commission of 7% of sales. Plan B is a salary of $544 per month, plus a commission of 5% of sales. For what amount ofsales is Chris better off selecting plan A?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
A=total Plan A; B=total Plan B; s=sales
A=$390+0.07s
B=$544+0.05s
A=B
$390+0.07s=$544+0.05s Subtract $390 from each side.
0.07s=$154+0.05s Subtract 0.05s from each side.
0.02s=$154 Divide each side by 0.02.
s=$7700 Both plans pay the same when sales=$7700
ANSWER With sales greater than $7700, Chris is better off with Plan A.
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