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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?

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?
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4 votes
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
User Dtrunk
by
8.4k points

2 Answers

5 votes
30 times 7 is 210 inches
answered
User Kamy D
by
8.5k points
3 votes
Set up a proportion.
x = length of actual wall

1/30=7/x

Cross multiply: x = 210 inches


answered
User ZakTaccardi
by
8.2k points
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