math

On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.

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1. Let's set up a proportion.

5/6 = x/80

Cross multiply:

6x = 400
x = 400/6
x = ?

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posted by Ms. Sue
2. 66.6

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posted by ana
3. 24

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