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patriot [66]
3 years ago
5

P=10-2.5c, find p when c = 3.2 and then find c when p = 85

Mathematics
1 answer:
torisob [31]3 years ago
6 0
P=10-2.5c
P=10-2.5(3.2)
P=10(-8)
P=18

P=10-2.5c
85=10-2.5c
-10 -10
75=-2.5
75 divided by 2.5
C=-30
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