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OpenStudy (anonymous):

a man walks for 5km/hr for 1 km and 7 km/hr for next 1 km. what is his average speed for the walk of 2 km

OpenStudy (loinducoeur):

Do you know how to work out a mean average?

OpenStudy (anonymous):

yea i do

OpenStudy (loinducoeur):

Then, can you work out the mean average of 5 and 7?

OpenStudy (anonymous):

thats what i thought at first but it asks for the average speed of 2/12 km of the walk

OpenStudy (loinducoeur):

Ah. I'm really sorry, but I wouldn't know what to do after that. Maybe find one of the other people who are good at Physics to help you?

OpenStudy (anonymous):

its fine thank you and where do you suggest i find that good physics person

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