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September 19, 2014

September 19, 2014

Posted by **bashi** on Friday, September 21, 2012 at 1:02am.

- math -
**drwls**, Friday, September 21, 2012 at 1:45amt1 = walking time

t2 = biking time

t1 + t2 = 4.00 hours

37*t2 + 3*t1 = 131 miles

3*t1 + 3*t2 = 12

34*t2 = 119

t2 = 3.5 hours (The biking time they ask for)

t1 = 0.5 hours

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