Question

The average weight of a group of 8 children is 25.6 kg and the another group of 7 children is 26.2 kg.Find the average weight of the group of 15 children

Answer 1

Step-by-step explanation:

8×25.6=204.8

7×26.2=183.4

so for 15 children average weight=388.2/15=25.88 answer

Answer 2

Answer:

25.88

Step-by-step explanation:

8×25.6=204.8

7×26.2=183.4

204.8+183.4=388.2

388.2/15= 25.88