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21-05-2018
Mathematics

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The average of 4 numbers is 5. What is their sum? explain you answer

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21-05-2018

To find an average you add all numbers together then divide by the amount of numbers that you added. So if there are 4 numbers you would divide by 4. By going backwards you can find the answer. Multiply 5 by 4 and you get 20, which is the answer.

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