Idioms With Meanings | CBSE Class 7 | Radhika Mam #shorts #ytshorts #youtubeshorts

In a class of 25 boys and 20 girls, the mean weight of the boys is 40 kg and the mean weight of the girls is 35 kg. Find the mean weight of the class. The following are the steps involved in solving the above problem. Arrange them in sequential order. (A) The total weight of 25 boys = 25 xx 40 = 1000 kg The total weight of 20 girls =20 xx 35 = 700 kg (B) The mean weight of the class = (1700)/(45) = 37(7)/(9) kg (C) The total weight of 45 students = 1000 kg + 700 kg = 1700 kg