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15-04-2018
Mathematics

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The average of 3,5,10 and X is 6, what is the value of X?

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15-04-2018

x = 6
The average of 4 numbers is 6, which means that (3 + 5 + 10 + x) all divided by 4 is 6. That means that 3 + 5 + 10 + x = 24, because 24/4 is 6.

18 + x = 24, subtract 18 from 24 to get x = 6.

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