There are 60 people in a movie theater. The ratio of people who have seen the movie before to those who haven't seen the movie before is 3:2. How many people have not seen the movie before?

10 people have not seen the movie before

Step-by-step explanation:

60/3x = 2x

60=2x×3x

60=6x^2

60/6=x^2

10= x^2

therefore,x=√10=5

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step-by-step explanatio89

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %