represents, (that is, x = ??); (2) write a rational equation that models the
problem; (3) solve the equation for the exact solution ; (4) write your
answer in words, labeling units as necessary.
Hank bicycles 5 km/hour slower than Kelly. In the time that it takes Hank to
bicycle 42 km, Kelly can bicycle 57 km. How fast does each bicyclist travel?