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garik1379 [7]
2 years ago
12

The length of a rectangle is five inches less than three times the width.the perimeter is 22 inches.Find the length and width

Mathematics
1 answer:
tiny-mole [99]2 years ago
3 0

Answer:

The length and width is 7\, \text{inches}\, \text{and}\, 4\, \text{inches}

Step-by-step explanation:

The length of a rectangle is five inches less than three times the width.

l=3w-5

The perimeter is 22 inches.

P=2(l+w)\\22=2(3w-5+w)\\11=-5+4w\\4w=11+5\\w=\dfrac{16}{4}\\w=4\, \text{inches}\\\\l=3(4)-5\\l=12-5\\l=7\, \text{inches}

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