# At a certain time of the day, Paolo, who is 6 feet tall, casts a shadow 9 feet long. If the tree beside him casts a shadow 12 feet long, how tall is the tree?

2
by kidpearl842

2015-03-06T20:27:54+08:00

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The proportions will be:
6:9=_:12
I
2:3

Find a number that when you pair it with 12, the answer will also be 2:3.
8:12 is equal to 2:3. So the answer is 8.

2015-03-06T23:02:33+08:00

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Cross Multiply

72 = 9x

8 = x