SOLUTION: The speed of a passenger train is 10mph faster than the speed of a freight train. The passenger train travels 290 miles in the same time it takes the freight train to travel 240 mi
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Question 298907: The speed of a passenger train is 10mph faster than the speed of a freight train. The passenger train travels 290 miles in the same time it takes the freight train to travel 240 miles. Find the speed of each train. A) Passenger train_? B) Freight train_ (mph)?
Found 2 solutions by checkley77, J.A.Romero:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT
290=(R+10)T PASSENGER TRAIN
T=290/(R+10)
240=RT FREIGHT TRAIN
T=240/R
290/(R+10)=240/R
290R=240(R+10)
290R=240R+2400
290R-240R=2400
50R=2400
R=2400/50
R=48 MPH FOR THE FREIGHT TRAIN.
48+10=58 MPH FOR THE PASSENGER TRAIN.
240=48T
T=240/48
T=5 HOURS IS THE TIME OF THE TRIP.
PROOF:
290=58*5
290=290
Answer by J.A.Romero(2) (Show Source): You can put this solution on YOUR website!
freighttrain=:(mph)
passengertrain=:(mph)
distance=rate*time,
passengertrain=
d=rt;;
freighttrain=
d=rt;;
;
freighttrain=:(mph)
passengertrain=:(mph)
Freighttrain=
Passengertrain=
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