Answer :

Final answer:

To change 18 out of 20 to a percentage, divide 18 by 20 and multiply by 100. 18 out of 20 is equal to 90%.


Explanation:

To change 18 out of 20 to a percentage, we need to divide 18 by 20 and then multiply by 100.

So, (18/20) * 100 = 90%.

Therefore, 18 out of 20 is equal to 90%.


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