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did she travel at 60

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did she travel at 60

by sanju09 » Mon Mar 02, 2009 5:41 am
Jane covered a distance of 340 miles between city A and city B taking a total of 5 hours. If part of the distance was covered at 60 miles per hour speed and the balance at 80 miles per hour speed, how many hours did she travel at 60 miles per hour?

A. 2 hours 30 minutes
B. 3 hours
C. 2 hours
D. 1 hour 45 minutes
E. None of these
The mind is everything. What you think you become. -Lord Buddha



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by truplayer256 » Mon Mar 02, 2009 6:02 am
x=The amount of time that Jane travelled at 60 mph.

60x+80(5-x)=340
400-20x=340
x=3 B
Last edited by truplayer256 on Mon Mar 02, 2009 6:09 am, edited 1 time in total.
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by Baldini » Mon Mar 02, 2009 6:09 am
I get the same.
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by sanju09 » Mon Mar 02, 2009 6:33 am
Baldini wrote:I get the same.
correct
The mind is everything. What you think you become. -Lord Buddha



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The Princeton Review - Manya Abroad
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