Lyching Lyching

19-04-2021
Mathematics

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A motorist takes 80 minutes to travel 120km. find his speed

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topeadeniran2 topeadeniran2

24-04-2021

Answer: 90km/hour

Step-by-step explanation:

The formula for speed is given as:

= Distance / Time

where,

Distance = 120km

Time = 80 minutes = 80/60 = 1 1/3 hours

Speed = Distance / Time

= 120 / 1 1/3

= 120 / 4/3

= 120 × 3/4

= 90km/hour

The speed is 90km/hour.

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