Question

If the mean of 22, 15, 10, 20, 8, 12,x is 20. Find ‘x’.

Answer 1

Answer:

9

Step-by-step explanation:

22+15+10+20+8+12+x/7=20

77+x/7 =20

11+x=20

x=20-11

x=9

Answer 2

Answer:

We know that,

= /

20 = (22+15+10+20+8+12+)/7

20 =(87+)/7

20*7 = 87 + x

140 = 87 + x

x = 140-87

x = 53

Therefore the value of x is 54

Step-by-step explanation:

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