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according to a survey at a local movie theater, 4 out of 5 people buy popcorn at the movies. Out of those people who bought popcorn, 90% of the add butter to their popcorn. During the weekend, 425 people were at the movie theater. Based on the survey how many people who bought popcorn also added butter

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Respuesta :

The number of people who bought popcorn and also added butter is 306.

Number of people who went to theater = 425

Fraction of people who bought popcorn = 4/5

Fraction that added butter = 90% = 9/10

Based on the information given, the number of people who bought popcorn also added butter will be:

= 425 × 4/5 × 9/10

= 425 × 0.8 × 0.9

= 306

Therefore, the number of people who bought popcorn and lso added butter is 306.

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