Question 237155
2(4.25+x)+4x=31
8.5+2x+4x=31
2x+4x=31-8.5
6x=22.5
x=22.5/6
x=3.75 ft. is the width.
4.25+3.75=8 ft is the height.
Proof:
2(4.25+3.75)+4*3.75=31
2*8+15=31
16+15=31
31=31