# math

posted by Mattie

if a 3-foot -tall child casts a shadow that is 2 feet long, how tall is a telephone pole that casts a shadow that is 40 feet long?

1. Ms. Sue

Use a proportion.

3/2 = x/40

2x = 120

x = ?

2. kudum

3/2 = x/40
2x = 120
x = 60

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