There were 65 students in the hall. 80% of them were girls. How many girls were in the hall? Algebra Linear Equations Percent Equations 1 Answer Suren Abreu Jan 6, 2017 There were 5252 girls in the hall. Explanation: To determine 80%80% of the total number of 6565 students, we write: x=65xx80/100x=65×80100 x=65xx(8cancel0)/(10cancel0) x=65xx8/10 x=520/10 x=(52cancel0)/(1cancel0) x=52 Answer link Related questions Jimmy made a "75% on a test worth 46 points. How many points did he get correct? How do you use proportions to solve percent equations? How do you translate percent problems into an equation? What number is 32% of 600? What number is 3/4% of 16? 8 is 20% of what number? 99 is 180% of what number? What percent of 7.2 is 45? What percent of 150 is 5? What is 2% of 92? See all questions in Percent Equations Impact of this question 2500 views around the world You can reuse this answer Creative Commons License