If the mean of four numbers 2, 4, x and 6 is 5, then x is ?
1 answer:
Answer:
x = 8
Step-by-step explanation:
Step 1: Create an equation
(2+4+x+6) ÷ 4 = 5
Step 2: Solve the equation
(12+x) ÷ 4 = 5
(12+x) = 20
x = 8
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