Question 1046108: Alexis and Rosa both leave the bookstore at the same time, but in opposite directions. If Alexis travels 14 mph and Rosa travels 23 mph, how long until they are 148 miles apart?
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! The easiest way to do this is to realize they are getting further apart at 37 mph, 14 for one, 23 for the other.
148 miles apart/37 miles/hour) units are hours, miles cancel, so it is the right expression, and the quotient is 4 hours.
They will be 148 miles apart in 4 hours.
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