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July 25, 2014

July 25, 2014

Posted by **Larry** on Tuesday, September 30, 2008 at 11:00pm.

15 minutes later.....

2nd plane flew at 700km/h

how long did it take the 2nd plane to overtake the 1st plane?

for my answre, I got 1.75h

Is this correct? The book said it was 1.5

Thanks

- Math -
**Reiny**, Tuesday, September 30, 2008 at 11:17pmI got 1.75 hours for the time of the slower plane, but it asked for the time of the faster plane

15 minutes = .25 hours

so 1.75 - .25 = 1.5, the answer in your book

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