Question

If the mean of 4 numbers 2,6,7 and a is is 15 then find the value of a?

Answer 1

Answer:

please follow me for answer sir

Answer 2

Answer:

2+6+7+a/4=15

⇒15+a/4=15

⇒15+a=15*4

⇒15+a=60

⇒a=60-15

⇒a=45

Step-by-step explanation:

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