mean of20 numbers is 18 . If 2 is aaded to each no.what is the new mean
Answers
Answered by
0
the new number is 22and new mean is 20
hope...it...helps..
mark me as a brainlist
....
hope...it...helps..
mark me as a brainlist
....
Answered by
0
mean = 18
x/20 = 18
x = 18×20
x = 360
2×20 = 40
new mean = 360 + 40/20 = 400/20 = 20
x/20 = 18
x = 18×20
x = 360
2×20 = 40
new mean = 360 + 40/20 = 400/20 = 20
Similar questions