Question

Plz help i need answer.

Answer 1

C

Explanation:

Make a system of equations.

Justin = j

Greg = g

j + 15 = g

g/2 + 75 = j

We can substitute.

(j + 15)/2 + 75 = j

j/2 + 15/2 + 75 = j

j/2 = 165/2

j = 165

Substitute back into j + 15 = g

165 + 15 = g

g = 180