Question

Jason designs a rectangular sandbox. He models the perimeter of the sandbox using the expression 8l+2, where l is the length of the sandbox. Which statement includes an equivalent expression to 8l+2 with a correct description?
A.The expression 2l+2(3l+1) shows the width is 1 more than 3 times the length.
B.the expression 10l shows the perimeter is 10 times the length.
C.The expression 2l+(6l+2) shows the width is 2 more than 6 times the length.
D.The expression 2(4l+1) shows the perimeter is 1 more than 4 times the length.

Answer 1

Answer:

A   .The expression 2l+2(3l+1) shows the width is 1 more than 3 times the length.

Step-by-step explanation:

p = 8l + 2

Length = l

Width:

2w = p - 2l

2w = (8l + 2) - 2l

2w = 6l + 2

w = 3l + 1

Therefor w is 3 times the length plus 1