Asked by marie

maria bicycles 8 km/h faster than carlos. in the same time it takes carlos to bicycle 48 km, elena can bicycle 72 km. how fast does each bicyclist travel
Answered by bobpursley
Who is elana? I know Carlos, and Maria. Why is elana on a bicycle?
Answered by marie
sorry elana is supposed to be maria
Answered by bobpursley
Let M be marias rate
C be Carlos rate.

M-8=C

M*time-72=C*time
but time=M/48

putting all that together..

M*M/48 -72=(M-8)*M/48
solve for M first.
Answered by Monica
-62.2 km/h