SOLUTION: Andrea and Stacy both leave the coffee shop at the same time, but in opposite directions. If Stacy travels 9 mph faster than Andrea and after 9 hours they are 189 miles apart, how
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Question 1046385: Andrea and Stacy both leave the coffee shop at the same time, but in opposite directions. If Stacy travels 9 mph faster than Andrea and after 9 hours they are 189 miles apart, how fast is each traveling?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If they are 189 miles apart after 9 hours, the sum of their speeds must be 21 miles per hour.
is the slow one and
is the fast one.
Solve for
and then calculate
John

My calculator said it, I believe it, that settles it

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