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July 31, 2014

July 31, 2014

Posted by **Leslie** on Sunday, October 9, 2011 at 10:06pm.

Show all work.

- Algebra -
**tchrwill**, Monday, October 10, 2011 at 9:55am1--70t1 + 20t2 = 260

2--t1 + t2 = 9 or t1 = 9 - t2

3--Substitute (2) into (1) and solve for t2

4--Distance traveled at 20mph = 20t2

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