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April 24, 2014

April 24, 2014

Posted by **Nick** on Tuesday, January 22, 2013 at 9:18pm.

- Math -
**Reiny**, Tuesday, January 22, 2013 at 10:13pm60 inches : 9 inches

= 20:3 , is your ratio or your scale

so just set up a simple proportion

x/100 = 9/60

x = 100(9/60) = 15

it should be 15 inches long

notice: 100/15 = 20/3

and 60/9 = 20/3

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