Question

Find the value of x and the value of y. A. x = 15, y = 10 B. x = 20, y = 50 C. x = 50, y = 10 D. x = 50, y = 20

Answer 1

C.
Solve {3 y + 5 x - 100 = 180, y + 140 + x - 20 = 180}
for x and y.