Problema Solution
Julia can finish a 20-mile bike ride in 1.2 hours. Katie can finish the same bike ride in 1.6 hours. How much faster does Julia ride than Katie?
Distance
Rate
Time
Julia
20
1.2
Katie
20
1.6
Answer provided by our tutors
miles per hour for Julia:
20/1.2
miles per hour for Katie:
20/1.6
difference between their speeds:
(20/1.2) - (20/1.6) = 4.17
Julia rides 4.17 mph faster than Katie