the average of 20 boys of a class is 30 and the average of 30 girls of same class is 40 find the total value.
Answers
Answered by
1
Answer:
value of boys = 20×30 = 600
value of girls = 30×40 = 1200
total value = 1200+600= 1800
total no. of students = 20+30 = 50
total average = (600+1200)/50
= 1800/50
= 36
ans.
CHECK OUT!!
Answered by
3
Answer:
1800 total, 36 average
Step-by-step explanation:
20 boys, average 30, total = 20*30= 600
30 girls, average 40, total = 30*40= 1200
sum of totals= 600+1200= 1800
average of class= 1800/50= 36
Similar questions