anonymous
  • anonymous
MEDAL AND FAN!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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jim_thompson5910
  • jim_thompson5910
tell me what letters you have so far
anonymous
  • anonymous
ok well for A i have 15
anonymous
  • anonymous
For D i have 10

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anonymous
  • anonymous
And for letter I, I have 100
jim_thompson5910
  • jim_thompson5910
so far so good
jim_thompson5910
  • jim_thompson5910
what else?
anonymous
  • anonymous
Oh wait nevermind D cant be 15 cuz at the end it says 40 ppl like hatchbacks
anonymous
  • anonymous
Oh wait! B is 40 then right?
jim_thompson5910
  • jim_thompson5910
you already said D = 10
jim_thompson5910
  • jim_thompson5910
B isn't 40
anonymous
  • anonymous
Oh so where does the 40 go if A is 15?
jim_thompson5910
  • jim_thompson5910
`There are 40 people who liked hatchbacks` this goes in the "liked hatchbacks" row and "total" column. Basically saying "the total of people who liked hatchbacks is 40"
jim_thompson5910
  • jim_thompson5910
ie, C = 40
anonymous
  • anonymous
Oh so B is 25?
jim_thompson5910
  • jim_thompson5910
yes
anonymous
  • anonymous
Because 40-15= 25
anonymous
  • anonymous
ok
anonymous
  • anonymous
G=25... H=60....F=45
anonymous
  • anonymous
right?
jim_thompson5910
  • jim_thompson5910
G = 25 ... correct H = 60 ... not correct F = 45 ... not correct
jim_thompson5910
  • jim_thompson5910
you may have mixed up H and F somehow?
jim_thompson5910
  • jim_thompson5910
but the values don't swap (not entirely)
anonymous
  • anonymous
No cuz 25+35= 60
anonymous
  • anonymous
@jim_thompson5910
anonymous
  • anonymous
I am confused now...
anonymous
  • anonymous
I thought E was 35 and B was 25....35 + 25= 60?
jim_thompson5910
  • jim_thompson5910
hint: G+H = 100
jim_thompson5910
  • jim_thompson5910
another hint: C+F = 100
anonymous
  • anonymous
Oh ok
anonymous
  • anonymous
Ok so can we just review that.... A=15 B= 25 When we add those two we get C=40 D=10 E=??? What did we say E was? is it 50? when we add 50+10 we get F=100 G=25 H=i guess 75, if e is 50 25+75 is I=100
jim_thompson5910
  • jim_thompson5910
F is not 100
anonymous
  • anonymous
Oh i meant 60 sorry
jim_thompson5910
  • jim_thompson5910
G+H = 100 25+H = 100 solve for H to get H = 75
jim_thompson5910
  • jim_thompson5910
F = 60, correct
anonymous
  • anonymous
cuz 50+10 is 60...
jim_thompson5910
  • jim_thompson5910
or you can solve for F in C+F = 100 40+F = 100 either way, F = 60
anonymous
  • anonymous
So would this be the chart?
1 Attachment
jim_thompson5910
  • jim_thompson5910
perfect
anonymous
  • anonymous
Uh lol ok thank you now part B
anonymous
  • anonymous
So the number would be 50, right? And then we divide that by 100. so 0.50 or 50% is that right?
jim_thompson5910
  • jim_thompson5910
you have to consider the totals for those who don't like hatchbacks or sedans
jim_thompson5910
  • jim_thompson5910
number who don't like sedans OR hatchbacks = (number who don't like sedans) + (number who don't like hatchbacks) - (number who don't like both)
anonymous
  • anonymous
Oh so 75 or 75%
jim_thompson5910
  • jim_thompson5910
close but no
anonymous
  • anonymous
I thought it was the total?
anonymous
  • anonymous
25% ?
jim_thompson5910
  • jim_thompson5910
number who don't like sedans = 75 number who don't like hatchbacks = 60 number who don't like both = 50 number who don't like sedans OR hatchbacks = (number who don't like sedans) + (number who don't like hatchbacks) - (number who don't like both)
anonymous
  • anonymous
Ohhh! okk so...
anonymous
  • anonymous
85%
jim_thompson5910
  • jim_thompson5910
yes
anonymous
  • anonymous
ok wow I finally understand this now?
jim_thompson5910
  • jim_thompson5910
the subtle difference is that 50% would be if it said "what percentage didn't like BOTH types" or "what percentage didn't like sedans AND hatcbacks". They didn't just hate 1 car. They hate both cars.
anonymous
  • anonymous
Ok i get it now.
jim_thompson5910
  • jim_thompson5910
in part C, you simply compare the values of H and F
anonymous
  • anonymous
so then it would be yes
jim_thompson5910
  • jim_thompson5910
yes since H > F
anonymous
  • anonymous
I cant thank you any more! I have one more question.. i am going to open it up in a few minutes

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