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05-12-2014
Mathematics

Answered

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?

Answer :

05-12-2014

[tex]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.[/tex]

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