the average weight of 21 boys is 68kgs. if teachers weight is included the average weight is increased by 1 kg. what is teacher'a weight?
Answers
Answered by
0
68+(22) is 90 kg is teacher's weight
22*69 - 21*68
22*69 - 21*68
Answered by
0
hey mate here is your answer
let
n=21,a=68,b=69
let
n=21,a=68,b=69
Similar questions