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 #52# girls in the hall. Explanation: To determine #80%# of the total number of #65# students, we write: #x=65xx80/100# #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 2332 views around the world You can reuse this answer Creative Commons License