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not to lose money

by sanju09 » Mon May 10, 2010 12:33 am
Ken left a job paying $75,000 per year to accept a sales job paying $45,000 per year plus 15 percent commission. If each of his sales is for $750, what is the least number of sales he must make per year if he is not to lose money because of the change?
(A) 36
(B) 40
(C) 200
(D) 266
(E) 267
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by akhpad » Mon May 10, 2010 2:52 am
Total commission $30,000 = 15% of sales

Total sales = $200,000

Total number of sales = 200,000/750 = 266.66

I believe that it should be E.

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by clock60 » Mon May 10, 2010 3:27 am
the same answer
45000+0,15*750*x=75000, where x is the number of sales
x=266,7=267
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