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 Post subject: can u solve it???Posted: Thu, 2 Sep 2010 08:16:04 UTC

Joined: Thu, 2 Sep 2010 07:51:51 UTC
Posts: 6
2 towns X and Y are 460 km apart.a car leaves X for Y at 60 km/h and a slower car leaves Y for X at 50 km/h.how long will the cars take to meet.[/b]

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 Post subject: Posted: Thu, 2 Sep 2010 10:10:12 UTC
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Joined: Mon, 23 Feb 2009 23:20:33 UTC
Posts: 1049
Draw a line from X to Y, and write '0' next to X and '460' next to Y. At time t, the first car's position on the line will be 60t, and the second car's will be 460-50t. Equate and solve for t.

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 Post subject: Re: can u solve it???Posted: Thu, 2 Sep 2010 13:01:38 UTC
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Joined: Mon, 19 May 2003 19:55:19 UTC
Posts: 7949
Location: Lexington, MA
Hello, khalidd!

Quote:
wo towns X and Y are 460 km apart.
A car leaves X for Y at 60 km/h and a slower car leaves Y for X at 50 km/h.
How long will the cars take to meet?

The two cars are approaching each other at: km/h.

To cover 460 km, it will take: . hours.

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