A blueprint for a house has a scale of 1in for every 30ft. A wall in the blueprint is 7 in. What is the length of the actual wall?

asked Oct 7, 2019 49.9k views

4 votes

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5 votes

30 times 7 is 210 inches

Kamy D answered Oct 10, 2019

8.5k points

3 votes

Set up a proportion.
x = length of actual wall

1/30=7/x

Cross multiply: x = 210 inches

ZakTaccardi answered Oct 11, 2019

8.2k points

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