SOLUTION: An Amtrak train leaves Penn Station, NYC, traveling south at 60mph. Three hours later, a Metroliner leaves the same station traveling south at 80mph. How long will it take the Metr

Question 250355: An Amtrak train leaves Penn Station, NYC, traveling south at 60mph. Three hours later, a Metroliner leaves the same station traveling south at 80mph. How long will it take the Metroliner to catch up to the Amtrak train.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT
D=60T
D=80(T-3)
SET THE 2 DISTANCES EQUAL.
60T=80(T-3)
60T=80T-240
60T-80T=-240
-20T=-240
T=-240/-20
T=12 HOURS THEY WILL MEET.
PROOF:
60*12=80(12-3)
720=80*9
720=720
RELATED QUESTIONS
A metra commuter train leaves Union Station in Chicago at 12 noon. Two hours later, an... (answered by checkley77)

Train A leaves the station traveling east at 45 mph. Three hours later train B leaves the (answered by Alan3354)

The A train leaves the station at 3:00pm traveling at 40mph. The B train leaves the... (answered by rfer)

A metra commuter train leaves union station at noon. 2 hour later , an Amtrak train... (answered by stanbon)

A train leaves a station going east at 60mph another leave the same station goin south at (answered by stanbon)

Train A leaves the station traveling at noon traveling 30 mph. Train B leaves the same... (answered by jorel1380)

train a leaves station traveling at 40 mph. Eight hours later train b leaves the same... (answered by scott8148,Alan3354)

Train A leaves a station traveling at 20 mph. Four hours later train B leaves the same... (answered by ankor@dixie-net.com)

Train A leaves a station traveling at 40 mph. Six hours later, train B leaves the same... (answered by solver91311)