The length of a rectangular deck is 4 times its width. If the deck's perimeter is 30 feet what is the deck's area???

Question

asked Sep 3, 2021 2.1k views

2 Answers

Oleksii Trekhleb · Answer 1 · 2021-09-05T08:16:06+0000

The answer fam is 36 feet^2

Let width be x

Then, length be 4x

Perimeter=2(l+b)

30=2(4x+x)

30=2×5x

30=10x

x=3feet

Length=4×3=12 feet

Width=3 feet

Area=lb

=12×3=36 feet^2