Mathematics
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OpenStudy (anonymous):
PLEASE HELP WILL GIVE MEDAL, FAN, AND TESTIMONIAL!
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OpenStudy (anonymous):
@sleepyjess @chosenmatt @mathgeek27 @mathwizz2015
OpenStudy (sleepyjess):
What is your question?
OpenStudy (anonymous):
its 8 but ima post it one at a time so we wont get confused lol
OpenStudy (anonymous):
OpenStudy (sleepyjess):
Ok, just make sure you open a new post for each question :)
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OpenStudy (anonymous):
thats the first 3 and ok
OpenStudy (sleepyjess):
mk, so can you tell me what you think?
OpenStudy (anonymous):
i am not sure but if i were to guess the best answer it would be the 1st or 2nd?
OpenStudy (sleepyjess):
Any percentage of a number is that percent in decimal form times the original number. For example, 62% of 31 would be .62*31.
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
so this would be 73*215
OpenStudy (sleepyjess):
So, with that information, which one do you think?
OpenStudy (sleepyjess):
Don't forget the decimal point
OpenStudy (anonymous):
oh ok
OpenStudy (sleepyjess):
What did you multiply?
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OpenStudy (anonymous):
i think its B
OpenStudy (sleepyjess):
Oh, yes it is B
OpenStudy (anonymous):
yay lol
OpenStudy (sleepyjess):
What do you think for the second one?
OpenStudy (anonymous):
im stuck between A and B
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OpenStudy (sleepyjess):
Hmmmm.... Just a min
OpenStudy (sleepyjess):
Ok, can you solve each equation for n? I will say that is is either A or B.
OpenStudy (anonymous):
the first one is n= 1081/50
the second one is n= 1150/47
OpenStudy (anonymous):
@sleepyjess
OpenStudy (sleepyjess):
Sorry, the lag is horrible right now.
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OpenStudy (sleepyjess):
Ok, now find the exact value of both of those.
OpenStudy (anonymous):
sorry it was lagging lol and how do you find the exact value?
OpenStudy (sleepyjess):
Just input those into your calculator. for the first one you should end up with 21.something, for the second one, 24.something.
OpenStudy (anonymous):
first 21.62
second 24.46
OpenStudy (sleepyjess):
mk, now divide both of those by 100 to get the decimal percentage, then multiply each by 94 and see which comes out to 23
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OpenStudy (anonymous):
First 20.32
Second 22.99
OpenStudy (anonymous):
@sleepyjess
OpenStudy (sleepyjess):
Ok, so which one is 23?
OpenStudy (anonymous):
second one
OpenStudy (sleepyjess):
Yep :)
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OpenStudy (anonymous):
now #3
OpenStudy (sleepyjess):
k, what do you think?
OpenStudy (anonymous):
its 80*40 right?
OpenStudy (sleepyjess):
mmmm, not quite. 80=.4*n.
OpenStudy (sleepyjess):
Can you figure it out from that equation?
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OpenStudy (anonymous):
200
OpenStudy (sleepyjess):
Yes!
OpenStudy (anonymous):
alright ima post the next question in a different post so its fair.
OpenStudy (sleepyjess):
mk
OpenStudy (sleepyjess):
Thank you for participating :)