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October 23, 2014

October 23, 2014

Posted by **Nancy** on Saturday, March 7, 2009 at 8:14pm.

2) Two cars leave town at the same time going the same direction on the same road. One travels 32 mi/h and the other travels 47 mi/h. In how many hours will they be 69 miles apart?

- Algebra -
**drwls**, Saturday, March 7, 2009 at 8:42pm1) The distance between them increases at a rate of 99 mph. Divide 297 miles by that number.

2) In this case, the distance between them increaes at a rate of 15 mph. Divide 69 miles by that number.

- Algebra -
**Joy**, Saturday, March 7, 2009 at 9:49pmBut what are the equations for me to solve them?

I need equations, that's what the directions are telling me.

- Algebra -
**Damon**, Saturday, March 7, 2009 at 10:03pmseparation speed = 44 + 55 = 99

99 t = 297

in time t, fast one goes 47 t

slow one goes 32 t

so

47 t - 32 t = 69

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