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n-8+3n<-4
Simplify both sides of the inequality
4n-8<-4
Now add 8 to both sides so we can eliminate the -8
4n-8+8<-4+8
4n<4
Divide both sides by 4 so we can find the value for n
4n/4<4/4
n<1
Now how to graph this solution
1) Draw a straight line
so we have x in the positive side and -x the negative side
Our answer is n<1
You will start your line from right to left
so you will start from point 1 to -8
You got it ? if not please let me.
Cola (27 cans) Lemonade (16 cans)
Orange (12 cans) Lemon (9 cans)
What is the probability the next drink
sold is lemonade?
%
So far, they sold 16 lemonades out of
27+16+12+9=64 drinks.
So, 16/64 = 1/4 of the drinks sold so fare was lemonade. That's the expected probability of someone ordering a lemonade for the next drink.
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