SOLUTION: Train A leaves the station traveling east at 55 mph while train B leaves the station 45 minutes later traveling west at 70 mph. Choose the equation below that represents the distan

Question 827032: Train A leaves the station traveling east at 55 mph while train B leaves the station 45 minutes later traveling west at 70 mph. Choose the equation below that represents the distance in miles between the two trains, D, as a function of T, the time in hours after train B has departed
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Train A leaves the station traveling east at 55 mph
while train B leaves the station 45 minutes later traveling west at 70 mph.
Choose the equation below that represents the distance in miles between the two trains, D, as a function of T, the time in hours after train B has departed
:
Change 45 min to .75 hrs
Distance = speed * time
Train A's distance = 55(t+.75)
Train B's distance = 70t
The equation
D(t) = 70t + 55(t+.75)
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