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Y_Kistochka [10]
3 years ago
9

The length of a rectangle is five times its width. if the perimeter of the rectangle is 60 yd , find its area.

Mathematics
1 answer:
Lelu [443]3 years ago
8 0
Well if it is 60 yd around the perimeter then you have the expression 2x+2y=60
The other expression is y=5x because it is 5 times the width. So when you plug that into the first expression you get 2x+10x=60 next is 12x=60 and x=5. so if x=5 plug that in so it is 10+2y=60. Take 10 away from 60 2y=50 and divide it by two so you get y=25. So y=25 and x=5
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Step-by-step explanation:

Pulling out like terms :

2.1     Pull out like factors :

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Equation at the end of step  2  :

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Step  3  :

Equation at the end of step  3  :

 6 • (58u + 1) -  -6 • (74u + 5)

Step  4  :

Pulling out like terms :

4.1      Pull out     6

Note that  -6 =(-1)• 6

After pulling out, we are left with :

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Step  5  :

Pulling out like terms :

5.1     Pull out like factors :

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Final result :

 -36 • (22u + 1)

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