Question

the average of X1 X2 and X3 is 14.12 the sum of X2 and X3 is 30 what is the value of x 1​

Answer 1

Answer:

x = 12.36

Step-by-step explanation:

$\frac{x1 + x2 + x3}{3} = 14.12 \\ \frac{x1 + 30}{3} = 14.12 \\ x1 + 30 = 14.12 \times 3 \\ x1 + 30 = 42.36 \\ x1 = 42.36 - 30 \\ x1 = 12.36$

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