SOLUTION: Maurice is building a 2 ft tall model of the Gateway Arch in St. Louis, Missouri. If he is using a 3 in:78.75 ft scale, how tall is the actual arch?

Question 821066: Maurice is building a 2 ft tall model of the Gateway Arch in St.
Louis, Missouri. If he is using a 3 in:78.75 ft scale, how tall is the actual arch?

Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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scale ft/ft:
H/h = (78.75 ft)/(3 in * 1/12 ft/in)
H/2 = 78.75/(3/12)
H = 2 * 78.75 / (3/12)
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H = 630 ft
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