Question

plz solve these percentage questions........

Answer 1

(9) answer 1]:count the total number of girls and boys in the class.63+42=105 students. then the question is asked that how much girls are there in class ?so (percentage=100).so the real answer is that if [ out of 105 students,42 are girls so ,out of 100 students how many are girls?(as percentage mean 100 ).


so
105=42(girls)
100=…?
42×100/(divided by )105
answer is 40 %