Answer:
$42
Step-by-step explanation:
7/14=1/2 so he saved 1/2 of 84
-6/4 is equivalent to that
1. x=2
2. t=0
168 square inches if not I am sorry
x= 10
(8x+5)+(3x+25)+(4x)=180
15x+30=180
15x=150
x=10
I don't see the question