rules of % of whole prolblems
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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. 
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Created by:
abubblehead
on 20120119