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Answer:
Step-by-step explanation:
Given
Required
Determine the number of adults
First, we need to calculate the number of children
Given that:
Substitute 170 for Girls in
Convert to fraction
Cross Multiply
Divide both sides by 2
So, the number of children are:
Next, we calculate the number of people in the cinema.
Substitute 765 for Children
Make People the subject.
If 3/5 are children, then 2/5 are adults.
So: