The plane flew 450 km in 3/4 hours. How fast is it?
| December 10, 2020 | education
1. find how many minutes are in 3/4 hours: 60 minutes (hour) / 4 * 3 = 45 minutes
2.if an airplane has flown 450 km in 45 minutes, it means that in one minute it has flown 10 km
in an hour 60 minutes, which means in an hour it will fly 60 times more than in a minute = 600 km / h
answer: 600km / h
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