Problema Solution
Connie bicycles 2 km/h faster than Bill. In the same time that it takes BIll to bicycle 30 km, Connie can bicycle 35km. How fast does each bicyclist travel?
Answer provided by our tutors
let 's' represent the speed Bill cycles in km/h, then 's+2' represents the Connie's speed
distance = speed * time
time = distance / speed
they both cycle the same amount of time, so we set their 'distance/speed' expressions equal to each other:
30/s = 35/(s+2)
solving for 's' we have s=12
12+2 = 14
Bill cycles at 12 km/hr, Connie cycles at 14 km/hr