Mathematics
21 Online
OpenStudy (electronia):
Write the ratio as a unit rate. 8 meters in 10 seconds. Medal and Fan!
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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!
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OpenStudy (anonymous):
np
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.
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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?
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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.
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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?
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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!
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OpenStudy (anonymous):
no problem! But you understand how to do it now right?
OpenStudy (electronia):
Yep!
OpenStudy (anonymous):
Ok