StephanieLizbeth3563 StephanieLizbeth3563

23-03-2018
Mathematics

contestada

In the scale used on a blueprint 1/4 inch represents 2 feet.On the blueprint what is the length of a room with an actual length of 20 feet?

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EpicMoonDragon EpicMoonDragon

23-03-2018

10/4 is the amount it takes

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dizonc009 dizonc009

23-03-2018

We can use the ratio and proportion here. Let x represent the length of the room on the blueprint.
1/4 = 0.25
0.25 : 2 = x : 20
2x = 5
2x/2 = 5/2
x = 5/2 in. or 2 and 1/2 in.
:)

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