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Mathematics 8 Online
OpenStudy (anonymous):

Can anyone answer this please?

OpenStudy (anonymous):

A car is traveling at a rate of 30meters per second. What is the car's rate in kilometers per hour? How many kilometers will the car travel in 4 hours? Do not round your answers.

OpenStudy (anonymous):

14.4 KM

OpenStudy (anonymous):

is that the distance traveled in 4 hours?

OpenStudy (anonymous):

Yes, do you have a answer choice?

OpenStudy (mathmale):

We need conversion factors! \[(\frac{ 30 m }{ 1 \sec })(\frac{ 3600 \sec }{ 1 hr })(\frac{ 1 km }{ 1000 m })\]

OpenStudy (anonymous):

No i don't. I have to fill it in. I also need the rate in kilometers per hour though

OpenStudy (mathmale):

Multiply that by (4 hr) to obtain the distance traveled in that period of time.

OpenStudy (anonymous):

3.6 KM per hour

OpenStudy (mathmale):

DD: Please multiply that conversion of 30 m/ hr through to obtain the correct speed in km/hr.

OpenStudy (anonymous):

hmm it's saying that is incorrect @DragonFlame

OpenStudy (anonymous):

Hmm try what mathmale is saying than..

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