The horse runs a minute of the three tenth km, and the motorcyclist moves 3 times quicker. On how many will he overtake a horse in 10 minutes? In 20 minutes? In 30 minutes?

56

3/10 * 3 = 9/10км/мин - the motorcyclist's speed

(9/10-3/10) *10=6 km - the motorcyclist will overtake a horse in 10 minutes

(9/10-3/10) *20=12km - the motorcyclist will overtake a horse in 20 minutes

(9/10-3/10) *30=18km - - the motorcyclist will overtake a horse in 30 minutes

163
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