SOLUTION: Stan can drive from Atlas to Billings at a constant rate in four hours. If he increases his rate by 15 miles per hour, he could complete the trip in three hours. Find the number of
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Question 229287: Stan can drive from Atlas to Billings at a constant rate in four hours. If he increases his rate by 15 miles per hour, he could complete the trip in three hours. Find the number of miles between Atlas and Billings. Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! D=RT
D=R*4
D=(R+15)3
4R=3R+45
4R-3R=45
R=45 MPH IS THE RATE FOR THE 4 HOUR TRIP.
D=45*4=180 MILES IS THE DISTANCE BETWEEN ATLAS & BILLINGS.
D=(45+15)3
D=60*3
D=180 DITTO.
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