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Anastaziya [24]
3 years ago
11

The length of a rectangle is 5 in longer than its width.

Mathematics
1 answer:
NeTakaya3 years ago
5 0

Answer:

Length = 21

Width = 16

Step-by-step explanation:

We know that the formula for perimeter is:

P=2W+2L

And we also know that:

L=W+5

So then we put all that we know in the formula:

74=2W+2(W+5)

Now we expand the brackets and do some algebra:

74=4W+10 (-10)

64=4W (÷4)

16=W

Now that we know the width we can pop that into the length equation:

L=16+5

L=21

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If follows from the task content that;

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