Answer:
15-6x= -12-4x
15-2x= -12
-2x= -27
x= -13.5
Step-by-step explanation:
C = 2 x pi x r
C = 2 x pi x 15 = 30 π
0.04
equation:
x + x+20 = 209.84
x + x= 189.84
2x= 189.84
x= 94.92
maria spent $94.92
eva spent $114.92
You would have to do 18x2 then 14x2.
