Sagot :
Answer: the length is 3x+10
perimeter= 2 (width+length)
108=2(x+3x+10)
54=4x+10
4x=44
x=11(this is the width)
3x+10= 43(this is the length)
Step-by-step explanation:
Length be x
width be 3x+10
So
- 2(3x+10+x)=108
- 4x+10=54
- 4x=44
- x=11
width=3(10)+10=40m