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Mathematics 21 Online
OpenStudy (electronia):

Write the ratio as a unit rate. 8 meters in 10 seconds. Medal and Fan!

OpenStudy (anonymous):

do u want to know how many meters per second hot how many seconds per meter?

OpenStudy (electronia):

Meters per second.

OpenStudy (anonymous):

0.8:1

OpenStudy (anonymous):

or in other words 0.8 meters per second

OpenStudy (electronia):

That works! Thank you!

OpenStudy (anonymous):

np

OpenStudy (beautifulmystery.):

http://openstudy.com/study#/updates/5092b346e4b0bd31c89d73e8

OpenStudy (anonymous):

need help with anything else?

OpenStudy (electronia):

Yes, Lemme type it here...

OpenStudy (electronia):

286 miles in 5 1/2 hours, as a unit rate.

OpenStudy (anonymous):

once again miles per hour or hours per mile?

OpenStudy (electronia):

miles per hour.

OpenStudy (anonymous):

so first i want you to do 286÷5.5. Ok?

OpenStudy (electronia):

KK. 52.

OpenStudy (electronia):

OH! Is that the answer?

OpenStudy (anonymous):

ok now that you have both numbers of the unit rate which are 52 and 1 how do you think it will be written?

OpenStudy (electronia):

The answer choice in 52 miles per hour!

OpenStudy (electronia):

One more here.

OpenStudy (anonymous):

ok

OpenStudy (electronia):

Which typing time is the fastest? 320 words in 8 minutes, 600 in 12 minutes, 350 in 10 minutes or 225 in 5 minutes.

OpenStudy (anonymous):

Ok so in this question in wants to know which one is fastest by simplifying all 3 of those into words per minute.

OpenStudy (electronia):

Ok....

OpenStudy (anonymous):

Since we know that we are going to want to have the minute be 1 we are going to do...

OpenStudy (anonymous):

words÷minutes=words per minute

OpenStudy (anonymous):

does that make sense?

OpenStudy (electronia):

45 right?

OpenStudy (anonymous):

which one?

OpenStudy (electronia):

225 divided by 5.

OpenStudy (anonymous):

correct division but how would you write that out?

OpenStudy (electronia):

Actually, I got the rest, but thank you for your time!

OpenStudy (anonymous):

no problem! But you understand how to do it now right?

OpenStudy (electronia):

Yep!

OpenStudy (anonymous):

Ok

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