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Mathematics 21 Online
zarkam21:

Help with this table attached below

zarkam21:

1 attachment
zarkam21:

1 attachment
zarkam21:

@Angle

pandas:

hm... okay I will answer:

pandas:

oh... wait do u still need help?

zarkam21:

yeah..

zarkam21:

yeah..

Vocaloid:

|dw:1507253677738:dw|

Vocaloid:

|dw:1507253697650:dw|

pandas:

|dw:1507253714268:dw|

Vocaloid:

|dw:1507253711859:dw|

pandas:

whoop, wrong one... it did not fill in my answers...

zarkam21:

so for step one just write in the answers

Vocaloid:

we know that area 1 = senior girls = 6

Vocaloid:

(we're not done yet)

zarkam21:

okay

Vocaloid:

area 2 + area 1 = girls = 30

zarkam21:

okay

Vocaloid:

area 1 + area 3 = seniors = 24

zarkam21:

so area 1=6 area 2=30 area 3=24

Vocaloid:

think carefully

Vocaloid:

area 1 = 6 area 2 + area 1 = 30 area 3 + area 1 = 24 solve for area 2 and area 3

zarkam21:

24 18

zarkam21:

24 18

Vocaloid:

ah yes

Vocaloid:

anyway, for junior boys we would just subtract 70 - area 1 - area 2 - area 3

zarkam21:

2

zarkam21:

2

Vocaloid:

I get 22

zarkam21:

70-6=64 64-24=20 20-18=2

Vocaloid:

64-24 is not 20

zarkam21:

oh shoot lol

zarkam21:

its 40

zarkam21:

yes you are correct

zarkam21:

I apologize

zarkam21:

I apologize

Vocaloid:

nah it's no problem ^^ anyway, write those four numbers where it says areas 1,2,3,4

Vocaloid:

anyways, for part II, we need to find senior girls/total seniors

Vocaloid:

so it would just be 6/24 (using the information from the paragraph)

Vocaloid:

or 1/4

zarkam21:

wait for the four number infilling in the veen diagram it would be 6,24,18

Vocaloid:

yes, 6, 24, 18, then 22 for areas 1,2,3 and 4 in that order

zarkam21:

and then 6/24=1/4 for the second part

Vocaloid:

yes

zarkam21:

okay so for part 3

Vocaloid:

for III we need to find junior girls/total girls

Vocaloid:

so area 2/(area 2+1) = ?

zarkam21:

24/(24+6) 24/30

Vocaloid:

good (so 4/5)

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