Answer:
The correct answer is 82
Explanation:
1st piece=x
2nd piece=3x+3
3rd piece=4x-8
Combine like terms:
x+3x+4x=8x
3-8= -5
8x-5=175
8x-5+5=175+5
8x=180
x=22.5
1st piece=22.5 in
2nd piece=70.5 in
3rd piece= 82
3rd piece is the biggest, so the correct answer is 82