SOLUTION: Elena bicycles 8km/h faster than Dennis. In the same time it takes Dennis to bicycle 42km/hr, Elena can bicycle 66km/hr. How many km/hr does Dennis bicycle. How many km/hr does El

Question 619264: Elena bicycles 8km/h faster than Dennis. In the same time it takes Dennis to bicycle 42km/hr, Elena can bicycle 66km/hr. How many km/hr does Dennis bicycle. How many km/hr does Elena bicycle.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The problem is misstated. 42 km/hr should be 66 km and
66 km/hr should be 66 km.
With that understood,
Let = the time it takes Dennis to bicycle 42km
= Dennis's speed
= Elena's speed, and
= Elena's speed also
----------------------

Elena's speed is 22 km/hr
------
check:
Dennis's speed =
= 14 km/hr
OK

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