SOLUTION: Use a proportion to set up and solve the following problem. Round your answer to the nearest tenth if necessary: A telephone booth that is 7.5 ft tall casts a shadow that is 42

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Question 979092: Use a proportion to set up and solve the following problem. Round your answer to the nearest tenth if necessary:
A telephone booth that is 7.5 ft tall casts a shadow that is 42 ft long. Find the length of the shadow that a 10.9 ft adult elephant casts.

Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
Hi there,
If the phone booth of 7.5 ft tall
casts a shadow of 42 ft long:
Then a 10.9 ft elephant will
cast a shadow=
7.5/10.9 = 42/x
Cross multiply
7.5x = 10.9 x 42
so x = 10.9 x 42/7.5
The shadow = 61.04 ft
= 61 ft (to nearest tenth)
Hope this helps:-)

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