A car is 4m long and 1.8 m wide. A model of the car,similar in all respects, is 5 cm long. How wide is it?

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asked Jul 18, 2015 1.8k views

5 votes

A car is 4m long and 1.8 m wide. A model of the car,similar in all respects, is 5 cm long. How wide is it?

Mathematics
high-school

RTL asked

by RTL

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1 Answer

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$x-width\ of\ small\ car\\\\1.8m=180cm\\4m=400cm\\\\From\ proportion:\\\\400\ \ \ -\ \ \ 5\\180\ \ \ -\ \ \ x\\\\400x=900\ \ \ \ |:400\\x=2.25\\\\The\ car\ is\ 2.25cm\ wide.$

Snappy answered Jul 24, 2015

by Snappy

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