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Aleksandr-060686 [28]
3 years ago
14

Lexie is making a model of the Empire State Building. The scale of the model is 1 inch = 9 feet. The needle at the top is 31.5 f

eet tall. How big should the needle be on the model?
Mathematics
2 answers:
Alex787 [66]3 years ago
8 0
The needle at the top of the model should be 3.5 inches.
torisob [31]3 years ago
5 0

Answer:

3.5 inches

Step-by-step explanation:

Set up a proportion:

\frac{9 ft}{1 in} = \frac{31.5 ft}{x in}

Cross multiply in order to solve for x:

9x = 31.5

Divide by nine:

x = \frac{31.5}{9}

Simplify:

x= 3.5

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