SOLUTION: The breadth of a rectangle is one-third of its length. If the perimeter is 88cm find its dimensions

Question 507493: The breadth of a rectangle is one-third of its length. If the perimeter is 88cm find its dimensions
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
P = perimeter
P = 88 cm
L = length
W = width (also known as breadth)
P = 2(L+W)
.
W = 1/3L
so
L = 3W
.
substitute
.
2(3W+W) = 88
2(4W) = 88
8W = 88
W = 11
.
subsitute
.
L =3(W)
L = 33
.
Always check your solution to see if it is the answer.
.
P = 2L + 2W
2L = 66
2W = 22
66+22 = 88
Correct
.
Answer: The rectangle is 33 cm by 11 cm.
.
Done.
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