Question

the arithmetic mean of x,x+3 x+6,x+9 and x+12 is 10 than find x 1.1 2.2 3. 6 4. 4​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(4). 4

Step-by-step explanation:

(x + x + 3 + x + 6 + x + 9 + x + 12) / 5 = 10

5x + 30 = 50 ⇒ x = 4