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Mathematics 9 Online
OpenStudy (anonymous):

A car travels for an hour at a speed of 20 km/r, the next two hours at a speed of 65 km/r and the final hour at a speed of 85 km/r. What is the average speed of the car for the entire trip?

OpenStudy (broskishelleh):

Well thanks for the fan, anyways do you know how to calculate acceleration

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

its the same thing? and np

OpenStudy (broskishelleh):

Out of what I see the car is going 22.5 Kph

OpenStudy (anonymous):

thanx

OpenStudy (dbzfan836):

no, thats wrong

OpenStudy (dbzfan836):

20+65+65+85/5

OpenStudy (dbzfan836):

85+65+85/5

OpenStudy (broskishelleh):

It is 47

OpenStudy (dbzfan836):

@Broskishelleh u used a calculator *^*

OpenStudy (anonymous):

why do we have to divide it by 5? isnt it four?

OpenStudy (broskishelleh):

@Dbzfan836 How would you know?

OpenStudy (dbzfan836):

ur sittin next 2 me

OpenStudy (broskishelleh):

And he put Devided by 5 so that's what I did

OpenStudy (dbzfan836):

235/4

OpenStudy (anonymous):

so its not 5?

OpenStudy (broskishelleh):

58.75

OpenStudy (dbzfan836):

no

OpenStudy (dbzfan836):

he used calculator again XD

OpenStudy (anonymous):

okay. Thanks guys! :)

OpenStudy (dbzfan836):

medal?

OpenStudy (anonymous):

who do you think i should give it to?

OpenStudy (dbzfan836):

me, I gave him a medal

OpenStudy (broskishelleh):

Give it to him

OpenStudy (dbzfan836):

hes my older brother

OpenStudy (anonymous):

okay. thanks again guys

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