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Mathematics 30 Online
OpenStudy (anonymous):

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

jimthompson5910 (jim_thompson5910):

1/30 = 7/x solve for x

OpenStudy (anonymous):

so 210?

jimthompson5910 (jim_thompson5910):

yep

OpenStudy (anonymous):

thank you!

jimthompson5910 (jim_thompson5910):

np

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