Mean of three numbers is 50. If two of them are 30 and 50. What is the third number?
Answers
Answered by
4
Answer:
70
Step-by-step explanation:
mean=sum of numbers/total numbers
50 =30+50+x/3
50 =80+x/3
50*3 =80+x/3*3
150 =80+x
150-80=80-80+x
70 =x
Similar questions