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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? A. 21 ft B. 17.5 ft C. 210 ft D. none of these
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OpenStudy (anonymous):
how do you figure this out?
OpenStudy (mertsj):
If the scale is 1 to 30 wouldn't the actual wall be 30 times as much as it is in the drawing?
OpenStudy (anonymous):
7" x 30 = 210" = 17' 6"
OpenStudy (anonymous):
i multiplied it by 7 and got 210 too. so would that be the answer.?
OpenStudy (mertsj):
yep
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