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brilliants [131]
3 years ago
15

PLEASE HELP!!!!The ratio of the perimeters of two rectangles is 5 to 8. The perimeter of the larger rectangle is 72 inches. What

is the perimeter of the smaller rectangle?
Mathematics
1 answer:
lara [203]3 years ago
8 0

5/8 = x/72 where x is the perimeter of the smaller rectangle.

8x = 5 * 72

x = 5 * 9

x = 45

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Answer:

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Step-by-step explanation:

1. You must clear the absolute value bars.

2. You have two cases: a positive case and a negative case.

3. First, you can solve the positive case as following:

7x+12=12\\7x=12-12\\x=0

4. Now, you must solve thie negative case as you can see below:

-(7x+12)=12\\-7x-12=12\\-7x=24\\x=-\frac{24}{7}

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