The perimeter of a rectangle is 64 m and its length is 3 times its width, what is the length of the Rectangle?
Mathematics
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Question
The perimeter of a rectangle is 64 m and its length is 3 times its width, what is the length of the Rectangle?
1 Answer
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1. User Answers zarampa
Answer:
Length = 24m
Stepbystep explanation:
Perimeter = 2(length + width)
then:
p = 2(e+w) eq.1
e = 3w eq. 2
Replacing the eq. 2 in the eq. 1
64 = 2(3w+w)
64 = 2(4w)
64 = 8w
64/8 = w
w = 8
from the eq. 2
e = 3*8
e = 24
Check:
from the eq. 1
64 = 2(24+8)
64 = 2*32