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galina1969 [7]
4 years ago
10

Please help me out on this question, I'd really appreciate it. =w=

Mathematics
1 answer:
alisha [4.7K]4 years ago
8 0

192000 = 28x + 40(6000 - x)

192000 = -12x + 240000

192000 - 240000 = -12x

-48000 = -12x

4000 = x

The number of sales for the $28 is 4000 and the number of sales for the $40 is 2000.

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