Help pretty plz with math on top lol

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Help pretty plz with math on top lol

Mathematics
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Way out of my grade x.x
i think u add all of the colors and find the fraction for her and her friend if i aam right it is out my grade like way out but i tried

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Find the probability of selecting a blue pencil first. Then the probability of selecting a red pencil. For the second selection, there's one less in the bag, so the denominator will be decreased by 1. Multiply the individual probabilities to get the final \[P(blue~1st,~red~2nd)=\frac{ no.~of ~blue~pencils }{ total~no.~of~pencils } \times \frac{ no.~of~red~pencils }{ total~no.~of~pencils-1}\]
so the denominator is 127 but decreased makes 126 right
original denominator is 24+15+8.
lol my bad 51 but decreased make's it 50
24+15+8=47
ooh sorry put my numbers in the calculator wrong lol so when its decreased makes 46
right
so 24 / 46 simplify right
24/46 will be the probability for the 2nd selection. You don't really have to simplify it because they want a percent. You still need the probability for the 1st selection. P = blue/original total
Ok im confused so 15/46
15/47
what's happening is she's selecting a blue pencil first when there are 47 pencils in the bag and 15 of them are blue. So the probability is 15/47. Then she's selecting a red pencil, but now there are only 46 in the bag and 24 of them are red. This probability is 24/46. To find the probability of doing both, you have to multiply the individual probabilities. \[P(blue~then~red)=\frac{ 15 }{ 47 }\times \frac{ 24 }{ 46 }\]
ok then i have tha percent ???
yes
thank u hope i got it tho
what did you get?
why did i get 180
I don't know. You should have gotten a decimal. try it this way \[\frac{ 15*24 }{ 46*47 }\] Multiply the 15 and 24. Then multiply 46 and 47. Post the fraction you get
180/1081
then just divide that to get the decimal. Multiply the decimal by 100 to get the percent
ok
thats hard
why i get this long number
because it's a really ugly fraction and the numbers just don't divide nicely. That's why they said round it to the nearest 10th
Im not that good with stuff like that
what did you get? put the first 4 digits up
0.166
ok. I thought you had taken it to % already|dw:1440011237821:dw|
Ohhh so thats tha percent
yes
Thank u boy or girl i dont know but thx so much this been a horrible week
you're welcome

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