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vichka [17]
3 years ago
5

PLEASE HELP WILL MARK BRAINLIEST!

Mathematics
2 answers:
MrRissso [65]3 years ago
6 0
(21-2n)/2



Mark brainliest please




Hope this helps you
Marina86 [1]3 years ago
4 0

Answer:

P of rectangle = 2(L + W)

21 units = 2(n units + W)

21 units = 2nunits + 2W

21 = 2n + 2W

2W = 21 - 2n

W = <u>2</u><u>1</u><u> </u><u>-</u><u> </u><u>2</u><u>n</u><u> </u> units.

2

on simplifying

10.5 - n units

The width of the rectangle is units (10.5 - n) units.

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