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01-04-2015
Mathematics

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an object 3.9 feet tall casts a shadow that is 11.7 feet long. how long in feet would the shadow be for an object that is 13.2 feet tall?

Respuesta :

01-04-2015

Set up a proportion:

3.9/11.7 = 13.2/x

Cross multiply:

3.9x = 154.44

Divide 3.9 to both sides:

x = 39.6

So the shadow for an object that is 13.2 will be 39.6 feet long.

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