Answer:
Car B is faster
Car B is ×1.125 times faster
Explanation:
Car A:
went 60 km in 5/6 hour
then
went 60/5 = 12 km in 1/6 hour
then
went 12 ×6 = 72 km in 6/6 = 1 hour
Car B:
went 54 km in 2/3 hour
then
went 54/2 = 27 km in 1/3 hour
then
went 27 × 3 = 81 km in 3/3 = 1 hour
81÷72 = 1.125