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How many kilometers can a small car travel 2 / 3 kilometers with 25 / 3 liters of gasoline
How many kilometers can a small car travel 2 / 3 kilometers with 25 / 3 liters of gasoline
A liter of gasoline can do: (2 / 3) / (3 / 25) = 25 / 2 = 12.5km
A car can travel 120 kilometers per hour, one fourth faster than a motorcycle. How many kilometers per hour can a motorcycle travel?
120÷（1+1/4）
=120÷5/4
=96 (km)
A: the motorcycle travels 96 kilometers per hour
The distance between Party A and Party B is 270 km. One car completes the whole journey for 3 hours, and the other bus is one sixth slower than the car. This bus travels every hour on average
Car speed 270 / 3 = 90 km / h
Bus speed 90-90 * (1 / 6) = 75 km / h
The speed of motorcycle is 9 / 10 of that of car. Motorcycle is 6 km slower than car per hour
6÷（1-9/10)=60
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