shorty9617 shorty9617
  • 14-09-2018
  • Mathematics
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I need help answering this

I need help answering this class=

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musiclover10045
musiclover10045 musiclover10045
  • 14-09-2018

r(x) = 12x

c(x) = 5x+20

p(x) = r(x) - c(x)

replace r(x) and c(x) with the equations:

p(x) = 12x-5x+20

12x-5x = 7x so:

p(x) = 7x+20


The answer is A.

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