Question

the average of 15 number is 15 , the average of the first 8 number is 8 . find the average of last 7 number .​

Answer 1

Answer:

15-7 = 8

Step-by-step explanation:

Answer is 8

Hope u understand

Answer 2

Answer:

23

Solution :

• average of 15 numbers = 15
• sum of 15 numbers = 15×15 = 225
• average of the first 8 numbers = 8
• sum of the first 8 numbers is = 8×8 = 64
• so, sum of last 7 numbers = 225 - 64 = 161
• average of the last 7 numbers = 161/7 = 23