February 27, 2017

Homework Help: pre-algerbra

Posted by Katie on Thursday, November 4, 2010 at 3:50pm.

I have been working on this problem for an hour and a half! I keep getting 1.33 but I know that's not right!!
Jim drove the 120 miles to grandmothers house in 3 hours. He increased the speed by 10 miles per hour on the way home. How long did it take him to drive home?

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