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Fudgin [204]
2 years ago
11

Length of a rectangle is three times its breadth. Perimeter of the rectangle is 40 cm. Find its length and width.

Mathematics
1 answer:
Harrizon [31]2 years ago
6 0

Answer:

The length is 15 and the width is 5

Step-by-step explanation:

Let the breadth  be x cm then its length be 3x.

Perimeter of the rectangle = 2 (x+3x)

40=2(x+3x)

40=8x

x=5

breadth = 5

length = (5×3) = 15

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3 years ago
What is the value of x in the equation 1/5x – 2/3y = 30, when y = 15?
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X=200
2/3 of 15 is 10 make that negative add it to the other side 1/5x = 40 and then multiply 40 by 5 to get your answer
Check 
1/5 of 200 is 40 - 10 = 30
40-10=30
30=30
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