2 answers:
The perimeter of a rectangle is found by multiplying the length by 2 and the width by 2 and adding them together.
P = 2L + 2W
Filling in the information given we can find the width:
16.8 = 2(3.6) + 2W
16.8 = 7.2 + 2W
2w = 16.8 - 7.2
2w = 9.6
w = 9.6 / 2
w = 4.8 in.
A rectangle has 2 equal lengths and 2 equal widths. If one length is 3.6 then multiply by 2 = 7.2
So then 16.8 - 7.2 = 9.6
Then divide 9.6 by 2 = 4.8
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