The answer is 90
because increased means times so 30 + 30 = 60 + 30 = 90
Ibdthdefbhjj gfdecadhj Jinny
When you add the two equations, you get
5x = -5
x = -1
The appropriate choice is
A. (-1, 3)
Your answer should be c if it is wrong try d. hope this helps :)