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In a scale drawing of Samantha's apartment, the ratio is 1 in = 3 ft. The length of the living room on the drawing is 6 in and the width is 5 in. What is the perimeter of Samantha's living room?

Respuesta :

First, multiply 6 in by 3 to get 18 ft as the length of the living room.
6•3=18

Next, multiply 5 in by 3 to get 15 ft as the width of the living room.
5•3=15

Then multiply 18 by 2 and 15 by 2 and add the products together.
(18•2)+(15•2)=66

This makes the answer 66 ft.

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