Question

40 Average of 20, 30, 40 and X is 25. What is the value of X = ?​

Answer 1

average = 20+30+40+x/4=25

90+x=25*4

90+x=100

x=100-90

therefore x=10

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Answer 2

Answer:

Average=20+30+40+X/4=25

20+30+40+X=100

90+X=100

X=10

hope it helps you

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