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nalin [4]
3 years ago
6

A child's sandbox has a length of 5 metres and a width of 4 metres. A uniform sidewalk is to be built around the sandbox with pa

tio stones. The area of the sandbox is twice as large as the sidewalk. How wide is the sidewalk?A child's sandbox has a length of 5 metres and a width of 4 metres. A uniform sidewalk is to be built around the sandbox with patio stones. The area of the sandbox is twice as large as the sidewalk. How wide is the sidewalk?
Mathematics
1 answer:
igor_vitrenko [27]3 years ago
7 0
5 meters. The area of the sidewalk has to be 10 meters and has to contain the 20 meter sandbox. The total area is thirty meters, so the length and width of the sidewalk is 6x5
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The length of a rectangle is three times as long as its width. The width of this rectangle is 6 inches smaller than its length.
lisov135 [29]

Answer:

The length is 9in and the width is 3in

The perimeter is 24in and the area is 27in²

Step-by-step explanation:

To start we have to make 2 equations with the information that gave us the problem

l = length

w = width

w = l - 6in

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we replace l in the first equation with (3w)

w = (3w) - 6in

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now we replace the value of w in the second equation

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a = area

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2 years ago
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3 years ago
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