There are 2 sections A and B in a class, consisting of 50 and 40 students respectively.

There are 2 sections A and B in a class, consisting of 50 and 40 students respectively. If the average weight of section A is 50kg and that of section B is 70kg, Find the average of the whole class?

Quiz

Answer/Solution

58.88kg

Steps/Work

Total weight of 50+40 students = 50*50 + 40*70 = 2500+2800
Average weight of the class is = 5300/90 = 58.88 kg
Answer is D

General Calculator / Auto Solver

There are sections a and b in a class, consisting of and students respectively. If the average weight of section a is kg and that of section b is kg, find the average of the whole class?

We can not automatically calculate the result. Use the steps above to manually calculate the result.