PLEASE HELP WILL GIVE MEDAL, FAN, AND TESTIMONIAL!
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OpenStudy (durply):
go ahead
OpenStudy (anonymous):
OpenStudy (anonymous):
@InExileWeTrust
OpenStudy (xapproachesinfinity):
the last one can be found using proportion
100=4
750=x
x=(750 times 4)/100
OpenStudy (xapproachesinfinity):
hmm second i guess proportions too
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OpenStudy (xapproachesinfinity):
actually the second is two equations that you need to solve
OpenStudy (xapproachesinfinity):
well seems onece again i'm wrong
proportions works with the second
22 out of 50 are females
out of 800
x=800 times 22 all divided by 50
OpenStudy (xapproachesinfinity):
see how much is that
OpenStudy (anonymous):
22 divided by 50?
OpenStudy (xapproachesinfinity):
noo 800 times 22 all divided by 50
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OpenStudy (xapproachesinfinity):
let's the first...
OpenStudy (anonymous):
352
OpenStudy (math&ing001):
First one, you have 30 fish among 84, that's \(\frac{ 30*100 }{ 84 } = 35.7\)% of total fish taged, and you need to find what's the number at 100%.
Second, same thing 22 females out of 50, that's 44%. Find 44% of 800.
Last 4 wires are defective out of 100, that's 4% defective wires, find 4% of 750.
OpenStudy (xapproachesinfinity):
in case you got confused my way and his are the same alright
proportions are tied to percentages :)
OpenStudy (xapproachesinfinity):
you still get the same answers
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OpenStudy (xapproachesinfinity):
woow the guy is gone i'm speaking to my self lol
OpenStudy (anonymous):
so question 5 is 352
OpenStudy (xapproachesinfinity):
yes
OpenStudy (anonymous):
what about questions 6 and 4?
OpenStudy (xapproachesinfinity):
6 i answer see above
4 the @math&ing001 answered you
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OpenStudy (xapproachesinfinity):
6 same way you get 30
OpenStudy (anonymous):
ok thanks
OpenStudy (xapproachesinfinity):
no problem
OpenStudy (anonymous):
for #4 i got A?
OpenStudy (xapproachesinfinity):
seems good to me
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OpenStudy (math&ing001):
Not quite... if the fish he tagged (180) represents 35.7% of the total, don't you think the number of total fish would actually be bigger ?
OpenStudy (math&ing001):
120*
OpenStudy (anonymous):
ya it should
OpenStudy (anonymous):
i think its B or C cause D is to big right?
OpenStudy (xapproachesinfinity):
i must say the language used in the first throws a bit off
and that was the reason i skipped it in the first place
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OpenStudy (xapproachesinfinity):
me*
OpenStudy (xapproachesinfinity):
in other words i didn't quite understand the problem
OpenStudy (math&ing001):
Well we shouldn't be guessing if we can calculate:
120 is 35.7% of the total, so the total would be 120*100/35.7
OpenStudy (anonymous):
i got C
OpenStudy (anonymous):
@xapproachesinfinity could you give @math&ing001 a medal so that i could give you a medal, since you both were really a big help?
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