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URGENT Part A: Solve –mk – 90 > 85 for m. Show your work. Part B: Solve 3c – 5f = 55 for f. Show your work.

Respuesta :

osirismalfavon
I think I only know the second part.

3c=55t+5f
3c=60f
c=20f

A:


-mk - 90 > 85


-mk - 90 + 90 > 85 + 90


-mk > 175


-mk / k > 175 / k


-m > 175/k


-m * -1 < 175/k * -1


m < -175/k



Part B:


3c - 5f = 55


3c - 5f - 3c = 55 - 3c


-5f = 55 - 3c


-5f/5 = (55 - 3c) / 5


-f = 55/5 - 3c/5



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