Question

The average of 10; 30 and 50 is 5 more than the average of 20; 40 and X. Find x

Answer 1

Answer:

X=60

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Answer 2

Answer:

x = 25

Step-by-step explanation:

$\frac{10 + 30 + 50}{3} = 5 + \frac{20 + 40 + x}{3}$

$\frac{90}{3} = \frac{15 + 60 + x}{3}$

$90 = 75 + x$

$x = 25$