Answer:
x = 20
y = 30
Step-by-step explanation:
It would be 1 copy, and would cost $42.
39+3(1)=42$
30+12(1)=42$
39+3x, 30+12x are the equations
What question do you need help with? You have to include that!
.28 if 1 was 100,and .28 was 2.8, then we divide 100 by 100 same for 2.8