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Reil [10]
3 years ago
12

the length of a rectangle field is 7 m less than 4 times the width. The perimeter is 136 m. Find the width and length of the rec

tangle.
Mathematics
1 answer:
Bumek [7]3 years ago
6 0
Let width be x m 

perimeter = 2L + 2W
W = x and L =  4W - 7 = 4x - 7
so we have the equation

2(4x - 7) + 2x = 136

8x - 14 + 2x = 136
10x = 150
x = 15  

So the width = 15m and the length = 4(15) -7 = 53 m.  Answer

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