Homework Help: math

Posted by kiara on Monday, June 6, 2011 at 5:02pm.

A drawing of a deck has a scale of
1 inch equal to 5 feet. The actual deck
is 18 feet long. How long is the deck
in the scale drawing?

math - Ms. Sue, Monday, June 6, 2011 at 5:05pm
1/5 = x/18

Cross multiply and solve for x.

5x = 18
x = 3 3/5 inches

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