Find the average speed of car if it travels 18km in 20 minutes.
2 answers:
Answer:
Step-by-step explanation:
<u><em>Given: </em></u>
Distance = S = 18 km
Time = t = 20 min = 20/60 = 0.33 hours
<u><em>Required:</em></u>
Average Speed = <v> = ?
<em><u>Formula:</u></em>
Average Speed = Total Distance Covered / Total Time Taken
<u><em>Solution:</em></u>
A . S = 18 / 0.33
A.S = 54 km/hr
Answer:
0.9km/minute
or
54km/hour
Step-by-step explanation:
- Average speed in km/minutes
18km in 20 minutes = 18km/20min
18km/20min = 0.9km/min
1 hour = 60 minutes
20 minutes = 20/60 = 0.3333 hours
18km/20mins = 18km/0.3333hours = 54km/hour
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Answer:
15=24
20=x
cross multiply
15x=24*20
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divide both sides by 15
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x=32
it will take her 32 minutes
