What percent of 15 is 15 percent of one???? plz i need it urgently....!!!!i ve got nathin to explain i did not get this question at all!!!!

Asked on by ajprincess

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tiburtius | High School Teacher | (Level 2) Educator

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First you calculate how much is 15% of 1. That is `1 cdot 15/100 = 1 cdot 0.15 = 0.15`.

Now the question is what percent of 15 does that (`0.15`) make? You can calculate that by dividing `0.15` by `15`. So you have ` 0.15/15 = 0.01` which is `0.01cdot100=1%.`

More generally `x%` of `a` is `x/100cdot a` and if you have `a` and `b` then `a/b cdot 100`  tells you what percent of `b` is `a.`

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