A school reporter surveyed a sample of sixth grade girls about their favorite Friday night activities. Sixty-five percent, or 39 girls, selected going to the movies as their favorite activity. How many girls did the reporter survey?

The reporter surveyed 60 girls.

Step-by-step explanation:

From the information given, you can use a rule of three to find the amount of girls that the reporter surveyed which is 100% given that 39 girls represent 65%:

65%  →  39

100% →    x

x=(100*39)/65

x=60

According to this, the answer is that the reporter surveyed 60 girls.

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