Question

If the average of 10,k and 30 is 20. what is the value of k?​

Answer 1

Answer:

k=20

Step-by-step explanation:

Average = 10+k+30/3

20=10+k+30/3

20*3=10+k+30

60=10+k+30

60-10-30=k

20=k

k=20

Answer 2

Answer:

20

Step-by-step explanation:

average = sum of numbers/ no.of number

20 = (10 + k + 30) / 3

60 = 40+k

k = 60-40

k = 20