SOLUTION: Kathy bicycles 8 km/h faster than Javier. In the same time it takes Javier to bicycle 33 km comma Kathy can bicycle 57 km. How fast does each bicyclist travel?
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Question 1158835: Kathy bicycles 8 km/h faster than Javier. In the same time it takes Javier to bicycle 33 km comma Kathy can bicycle 57 km. How fast does each bicyclist travel?
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
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Kathy bicycles 8 km/h faster than Javier. In the same time it takes Javier to bicycle 33 km, comma Kathy can bicycle 57 km. How fast does each bicyclist travel?
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Javier's speed, x
Kathy's speed, x+8
The times for these two distances are equal:
-
, after multiply both sides by .
----------Javier's speed
---------Kathy's speed
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
The times were the same; the difference in the speeds was 8 km/h and the difference in distances was 57-33=24 km. That means the time was 24/8 = 3 hours.
Then their speeds were...
Kathy: 57/3 = 19 km/h
Javier: 33/3 = 11 km/h
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