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# % rules

### rules of % of whole prolblems

Question | Answer |
---|---|

numbers % fraction part ________l__________ whole l | |

numbers % fraction change ________l__________ whole l | |

% increase ORIGINAL x( 1 + 100 ) | |

% decrease ORIGINAL x (1- 100 ) | |

From a fraction to a decimal | Divide the numerator by the denominator |

From a fraction to a percent | Divide the numerator by the denominator and move the decimal 2 places to the right. |

From a decimal to a fraction | Use the place value of the last digit in the decimal as the denominator, and put the decimal's digits in the numerator. |

From a decimal to a percent | Move the decimal place 2 spaces to the right. |

From a percent to fraction | Use the digits of the percent for the numerator and 100 for the denominator, then simplify. |

From a percent to a decimal | Move the decimal place 2 spaces to the left. |

Created by:
abubblehead
on 2012-01-19