kairiri kairiri

15-02-2014
Mathematics

Answered

A rectangular room is four times as long as it is wide, and its perimeter is 70 meters. Find the width of the room.

Verified Answer :

Anonymous Anonymous

15-02-2014

W=3/4L

P=2L=2W

70=2L+2(3/4L)

70=2L+6L/4

70=2L+1.5L

70=3.5L

L=70/3.5

L=20 FT. ANS. FOR THE LENGTH.

W=4/4*20=15 ANS. FOR THE WIDTH

i think.

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jasleensidhu97 jasleensidhu97

15-02-2014

2(4w) + 2w = 70
8w + 2w = 70
10w = 70
W= 7 m

Again, you just have to learn to make the equations. :)

Answer Link

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