Christopher B. | Tutor of Math, Spanish, English, Former Trumpet PlayerTutor of Math, Spanish, English, Former ...

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When you write a percent as a decimal, all you do is move the decimal point two spots back. So 75% is .75. 43% is .43. 22% is .22. Now, for 50%, the decimal point is behind the zero, so 50% as a fraction would be .5 5% as a decimal would be .05.