Math, asked by poojagupta4470, 11 months ago

if a person drives his motorcycle for 2 hours at speed of 80 km/hr and next 2 hours at speed 90 km/hr then what will be the average speed achieved by the person?

Answers

Answered by botanyliker
2

Step-by-step explanation:

dist in 1st 2hrs hrs=speed×time=80×2=160km

similarly ,

dist.in 2nd 2hrs

90×2=180km

average speed=(total dist.)/total time

(160+180)/4

=340/4=85km/hr

Answered by Siddharta7
1

dist in 1st 2hrs hrs=speed×time=80×2=160km

similarly ,

dist.in 2nd 2hrs

90×2=180km

average speed=(total dist.)/total time

(160+180)/4

=340/4=85km/hr

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