Question

verage of 18 numbers is 19 and average of
numbers is 21 what is the average of all.the numbers​

Answer 1

Step-by-step explanation:

Average of first 8 number = 21 Average of last 4 number = 18 If average of all 12 ... If average of all 12 numbers is 18, then we have 8 x 3 = 24 extra from first eight numbers. ... The average of six numbers is 19.

Mark me as brainlist

Answer 2

Answer:

21multiply by 19+18

Step-by-step explanation:

you will get the answer in simple way