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STUCK....dunno why?

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Master | Next Rank: 500 Posts
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STUCK....dunno why?

by smclean23 » Sun Jul 06, 2008 1:58 pm
If Jack walked 5 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour?
(A) 4
(B) 4.5
(C) 6
(D) 6.25
(E) 15
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by onesome » Sun Jul 06, 2008 2:52 pm
1hr 15 mins = 1 + 1/4 hours = 5/4 hours

Distance covered in 5/4 = 5
in 1 = (5/(5/4)) * 1 = 4

Should be A ?
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by smclean23 » Sun Jul 06, 2008 3:09 pm
correct.
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