Question 75

The ratio of the speeds of two scooters is 9 : 5. If the second scooter nuns 75 km in 6 hours, then what is the speed (in km/h) of the first scooter?

Solution

If the second scooter nuns 75 km in 6 hours.

speed of second scooter = $$\frac{75}{6}$$ = 12.5 km/h

The ratio of the speeds of two scooters is 9 : 5.

Speed of the first scooter = $$\frac{12.5}{5}\times\ 9$$

= $$2.5\times\ 9$$

= 22.5 km/h

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