Seudónimo Seudónimo
  • 25-02-2015
  • Mathematics
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If a models barn door is 2 and 1 quarter inches high , how high is the actual barn door ?

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chrissa219
chrissa219 chrissa219
  • 25-02-2015
The easiest way to solve this is to use a proportion
but first, make the 2 1/4 into a decimal. 1/4 equals .25
[tex] \frac{2.25}{x} = \frac{1}{48} [/tex]

use butterfly method or cross mulitply to solve.
[tex]1*x=2.25*48 

x=108

the barn door in real life is 108 inches


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