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August 1, 2014

August 1, 2014

Posted by **Sandi** on Saturday, March 2, 2013 at 12:34pm.

- Algebra -
**Dr. Jane**, Saturday, March 2, 2013 at 3:29pmDistance = Rate x Time

Maria's rate is t km/hr faster than Praedup.

Maria: (r+6)t = 72

praedup rt = 45

Solve for t in each case:

t = 72/(r+6)

t = 45/r

Since the times are the same the two fractions equal each other. Solve for r.

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