SOLUTION: if a 30-foot flag pole cast a 12 foot shadow, how tall is a mailbox casting an 18- inch shadow?

Question 291506: if a 30-foot flag pole cast a 12 foot shadow, how tall is a mailbox casting an 18- inch shadow?
Found 2 solutions by rfer, Deina:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
30/12=x/18
12x=540
x= 45 in
Answer by Deina(147) (Show Source): You can put this solution on YOUR website!
When calculating ratios use and cross multiply such that ad = bc

x = 45 inches
and bob's your uncle!

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