The distance from home to school is 15 km. A rides a bicycle at 16 km/h at first, then walks the rest at 4 km/h after the bicycle breaks down. The total travel time is 1 hour 30 minutes. How many kilometers from home did the bicycle break down?
12 km
PRACTICE 01
A traveler covers an 18 km route. The first part is by bicycle at 18 km/h and the rest is on foot at 6 km/h. The total time is 2 hours. How many kilometers were traveled by bicycle?
12 km
PRACTICE 02
A 14 km trip is made partly by bus at 20 km/h and the rest on foot at 4 km/h. The total time is 1.5 hours. How many kilometers were traveled by bus?
10 km
PRACTICE 03
A 12 km course is run first at 12 km/h and then walked at 4 km/h. The total time is 1.75 hours. How many kilometers were run?
9 km
PRACTICE 04
A 20 km trip is traveled first by bicycle at 16 km/h and then on foot at 4 km/h. The total time is 2 hours. How many kilometers were traveled by bicycle?
16 km
PRACTICE 05
A 15 km journey is traveled first by scooter at 12 km/h and then on foot at 3 km/h. The total time is 2 hours. How many kilometers were traveled by scooter?
12 km