SOLUTION: Biking at 12 mph, it takes Kristen 1/2 hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another 1/2 hour for her to get to work whe

Question 605269: Biking at 12 mph, it takes Kristen 1/2 hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another 1/2 hour for her to get to work when the train travels 24 mph. How far does Kristen travel to work?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Biking at 12 mph, it takes Kristen 1/2 hour to reach the train station to go to work.
Kristen then takes the train to work, and it takes another 1/2 hour for her to get to work when the train travels 24 mph.
How far does Kristen travel to work?
:
Write a distance equation, dist = speed * time
:
Total dist = bike dist + train dist
d = 12(.5) + 24(.5)
d = 6 + 12
d = 18 mi
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