3 years ago

The perimeter of the rectangle is 64 cm. Find the value of x.

2 answers:

marin [14]3 years ago

4 0

2(11 + 3x) = 64
11 + 3x =64/2
11 + 3x = 32
3x = 32 - 11
3x = 21
x = 21/3
x = 7

A.

4 0

$11 + 11 = 22 \\ 64 - 22 = 42 \\ 42 \div 2 = 21 \\ 21 \div 3 = 7$
Thr answer is A. 7

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