Question

The are sections of a standard in the school . the number of students in these three sections are 33 , 35 and 32 respectively and the average age of students in these sections separately is 15 years 15.4 years and 15.5 years respectively. find the average age of the whole standard​

Answer 1

Answer:

average - 15+15.4+15.5/3 - 15.3 , hope it will you , please mark me brainliest if it will help you