Problema Solution
Tina bicycles 60 miles at a rate of r mph. The same trip would have taken 2 hours longer if she had decreased her speed by 8 mph. Find r.
Answer provided by our tutors
The equation is
60/r +2 = 60/(r-8)
So
r = 20
So r = 20 mph
Tina bicycles 60 miles at a rate of r mph. The same trip would have taken 2 hours longer if she had decreased her speed by 8 mph. Find r.
The equation is
60/r +2 = 60/(r-8)
So
r = 20
So r = 20 mph