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Percentage and rule of three

What is X% of Y, X is what % of Y, increase and discount, value before a markup, and direct and inverse rule of three.

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What is X% of Y?

X is what % of Y?

From X to Y, how much did it change?

Increase or discount a value by X%

Final value with X% applied: what was the original?

Rule of three

Rule of three

If A corresponds to B, then C corresponds to:

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