Question

The average income of 40 persons is rs 4200 and that of another 35 persons is rs 4000. The average income of the whole group is:

Answer 1

Answer:

Step-by-step explanation:

Use simple formula . Average of 75 people =

$avg=\frac{ 40 \times 4200+35 \times 4000}{75}=4106.66$