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

Algebra ->  Triangles -> 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       Log On


   

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) About Me  (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