In two hours, the pedestrian covered 9 km. How many kilometers will it cover in 28 minutes if it moves at the same speed?
| January 9, 2021 | education
1) 9: 2 = 4.5 (km / h) – a pedestrian passes in an hour
4.5 km – in 60 minutes
x km – in 28 minutes
We calculate by proportion
x = 4.5 8 28: 60 = 2.1 (km) – pedestrian passes in 28 minutes
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