The mean weight of 4 members of a family is 60kg.Three of them have the weight 56kg, 68kg and 72kg respectively. Find the weight of the fourth member.
Answers
Answered by
2
Answer:
60= 56*1+68*1+72*1+x divided by 4
60*4=196+x
240=196+x
x=44 kg
Similar questions