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September 20, 2014

September 20, 2014

Posted by **kaitlyn** on Sunday, November 11, 2012 at 9:01pm.

- Algebra -
**Steve**, Monday, November 12, 2012 at 12:11amIf the distance on bike was m, then the distance on foot was 25-m.

time = distance/speed.

Add up the times:

m/45 + (25-m)/6 = 2

m=15

check:

15 mi at 45mph = 1/3 hr

10 mi at 6 mph = 5/3 hr

total: 2 hr

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