Of all the people that attend movies, 67% are in the 12-29 age group. At one theater, 300 people attended a showing of a certain movie. How many were in the 12-29 age group?
2 answers:
300*2/3=200 people who would be expected to be in the 12-29 age group.
Ratio and proportion
x/300=67/100
cross multiply
100x= 20100
x= 201 students
hope this helps
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