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KATRIN_1 [288]
3 years ago
6

The length of a rectangle is 4 inches longer than the width. The perimeter is 48 inches. What is the width?

Mathematics
1 answer:
amid [387]3 years ago
3 0

Answer:

w = 10 in

Step-by-step explanation:

Perimeter is the measure of the length of all sides

48 = 2L + 2w

L = w + 4

^ use substitution

48 = 2(w + 4) + 2w     simplify.

48 = 2w + 8 + 2w       combine like terms

48 = 4w + 8           then subtract 8 from both sides

40 = 4w     then divide by 4 to isolate w

10 = w

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