SOLUTION: Curt can be paid in one of two ways for the furniture he sells. Plan​ A: Salary of ​$1250 per​ month, plus a commission of​ 10% of sales. Plan​ B: Salary of ​$1350 perâ

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Question 1144361: Curt can be paid in one of two ways for the furniture he sells. Plan​ A: Salary of ​$1250 per​ month, plus a commission of​ 10% of sales. Plan​ B: Salary of ​$1350 per​ month, plus a commission of​ 15% of sales in excess of ​$9000. For what amount of monthly sales is plan B better than plan​ A, assuming​ Curt's sales are always more than ​$9000​?
Plan B is better than Plan A when​ Curt's sales are more than ​$

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
Curt can be paid in one of two ways for the furniture he sells.
Plan​ A: Salary of ​$1250 per​ month, plus a commission of​ 10% of sales.
Plan​ B: Salary of ​$1350 per​ month, plus a commission of​ 15% of sales in excess of ​$9000.
For what amount of monthly sales is plan B better than plan​ A, assuming​ Curt's sales are always more than ​$9000​?
:
Let a = monthly sales
.15(a-9000) + 1350 > .10a + 1250
.15a - 1350 + 1350 > .10a + 1250
.15a - .10a > 1250
.05a > 1250
a > 1250/.05
a > $25000
Plan B is better than Plan A when​ Curt's sales are more than ​$25,000
:

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