Problema Solution
Rachel drove 3 more hours than Kim did on her trip to Texas. If the trip took 37 hours, how long did Rachel and Kim each drive?
Answer provided by our tutors
let
'r' represent the time the Rachel drove to Texas
'k' represent the time the Kim drove to Texas
Rachel drove 3 more hours than Kim did on her trip to Texas:
r = k + 3
the trip took 37 hours:
r + k = 37
by solving the system of equations:
r = k + 3
r + k = 37
we find
r = 20 hr
k = 17 hr
click here to see the step by step solution of the system of equations:
Rachel drove 20 hours while Kim drove 17 hours.