Question

The perimeter of a rectangle is 38 inches. If the width of the rectangle is 7 inches, what is the length?

Answer 1

Answer:

l = 12in

Step-by-step explanation:

Using the formula

$P=2(l+w)$

Solving for l

$l= \frac{P}{2} - w =\frac{38}{2} -7=12in$

Therefore, the length is 12 in

Answer 2

Answer:

12 inches

Step-by-step explanation:

7 + 7 + y = 38

14 + y = 38

y + 14 = 38

y + 14 - 14 = 38 - 14

y = 24

24 ÷ 2 = 12

Check:

7 + 12 + 7 + 12 = 38