Homework Help: Math

Posted by stephanie on Thursday, February 25, 2010 at 10:12pm.

A blueprint for a house shows a bedroom being 5.5 inches wide. The scale used to create the blueprint is 0.50 in. = 1 ft. What is the actual width of the bedroom?

Math - Ms. Sue, Thursday, February 25, 2010 at 10:15pm
Set up a proportion and cross multiply.

0.5/1 = 5.5/x
0.5x = 5.5
x = 11 feet

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