A bus route is 45 km. If the bus stops for 3 minutes at each of 12 stops, and drives at 60 km/h between stops, how long is the total trip?
Answer
81 minutes
How to solve it
1
Driving time: 45 ÷ 60 = 0.75 hours = 45 minutes
2
Stop time: 12 × 3 = 36 minutes
3
Total: 45 + 36 = 81 minutes
Hints
Calculate driving time
Calculate total stop time
Add both together