A walks from home to school and returns along the same route. The speed is 60 m/min going to school and 90 m/min returning. The total round-trip time is 50 minutes. How far is it from home to school?
1800 m

PRACTICE 01
A student cycles from home to the library at 60 m/min and returns at 120 m/min. The round trip takes 30 minutes. How far is the library from home?
1200 m
PRACTICE 02
A hiker walks from a lodge to a lookout at 80 m/min and returns at 120 m/min. The round trip takes 25 minutes. How far is the lookout from the lodge?
1200 m
PRACTICE 03
A boat travels from a pier to an island at 50 m/min and returns at 100 m/min. The round trip takes 36 minutes. How far is the island from the pier?
1200 m
PRACTICE 04
A runner goes from a park gate to a bridge at 75 m/min and returns at 125 m/min. The round trip takes 25.6 minutes. How far is the bridge from the gate?
1200 m
PRACTICE 05
A cyclist rides from a station to a museum at 100 m/min and returns at 150 m/min. The round trip takes 25 minutes. How far is the museum from the station?
1500 m