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March 2, 2015

March 2, 2015

Posted by **Cathy** on Monday, September 17, 2007 at 6:23pm.

How do you determine how to set it up? I'm confused.

- Algebra 2 -
**Kay**, Monday, September 17, 2007 at 6:41pmlet's say the second speed = x

look at how the units present in the q give you a clue about how to solve the equation:

*mph = miles per hour.

*hours.

*miles.

miles PER hour = miles/hour

MPH = miles/hour is the conversion

1. the first machine: 60mph and 7.2hours. how do you solve for miles?

miles=mph*hours

2. the second machine: set this one up, but use variable (x) for the speed (mph).

hope this helps

- Algebra 2 -
**carie**, Monday, April 11, 2011 at 8:51pm45

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