Problema Solution
Of 350 students in a hall, 20% are girls. Then, 50 more girls entered the hall. What percent of the students in the hall are girls?
Answer provided by our tutors
34.3% percent of the students in the hall are girls
Solution: Total 350 students, 20% are girls,50 more girls entered
20% x 350= 70 girl, 50+70=120
120/350 = 34.3%