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3 July, 10:24

A building casts a 50-foot shadow. Alex is 5 feet tall and casts a 6-foot shadow. Approximately how tall is the building?

a. 60 ft

b. 24 ft

c. 50 ft

d. 42 ft i know its not A or C

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  1. 3 July, 10:37
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    D.

    You have to make a proportion. Set it up 5/6 = x/50. Then cross multiply. 5x50=250. 6 x (x) = 6x. 6x=250. 250/6=41.66666. x=41.6666. Round up, and the building is about 42 ft. tall.
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