SOLUTION: My friend Amie and I just finished a meal at in n out burger. She leaves the restaurant and drives at a constant rate of 65 mph. 5 minutes later I leave the restaurant. We went to

Question 1054365: My friend Amie and I just finished a meal at in n out burger. She leaves the restaurant and drives at a constant rate of 65 mph. 5 minutes later I leave the restaurant. We went to meet at an outlet mall 30 miles down the road. How fast must I drive if we both want to arrive at the mall at the same time? Is it possible, practically speaking? Explain.

Found 2 solutions by Fombitz, stanbon:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Since she drove at 65 mph, you'll have to drive even faster to cover the same distance in less time.

Not sure about the speed limits near you but that's a fast rate of speed.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
My friend Amie and I just finished a meal at in n out burger. She leaves the restaurant and drives at a constant rate of 65 mph. 5 minutes later I leave the restaurant. We went to meet at an outlet mall 30 miles down the road. How fast must I drive if we both want to arrive at the mall at the same time? Is it possible, practically speaking? Explain.
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Friend DATA:
rate = 65 mph ; dist = 30 miles ; time = d/r = 30/65 = 6/13 hr
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Other DATA:
dist = 30 miles ; time = (6/13)hr - (1/12)hr = (72-13)/(12*13) = 0.378 hr
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Ans: rate = d/t = 30/0.378 = 79.37 mph
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Cheers,
Stan H.
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