The average of 15 numbers is 15 and the average of the first 8 numbers is 8 what is the average of last 7 number
Answers
Answered by
0
Answer:
sorry I didn't the answer
Answered by
2
Answer:
23
Step-by-step explanation:
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
Similar questions