Question

3. The mean of 2, 7, 6 and x is 5 and mean of 18, 1,6, x and yis 10. What is the value of y?​

Answer 1

Answer:

y=20

Step-by-step explanation:

2+7+6+x/4=5

15+x=5*4

15+x=20

x=20-15

x=5

18+1+6+5+y/5=10

30+y=10*5

30+y=50

y=50-30

y=20.