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HOW TO WORK PERCENTAGES

 Oct 24, 2014

Best Answer 

 #1
avatar+23246 
+5

There are three types of problems; all can be solved using this equation:  Part  =  Percentage x Total

In that formula, the percentage is to be written as a decimal.

First type:

You want to know the percentage:

     What percentage is 23 out of 86?

     Percentage = Part / Total x 100     --->     Percentage  =  23 / 86 x 100  =  26.7%  (approximately)

You know the total amount and the percentage and you want to find the part:

     How many are 35% of 219?      (35% as a decimal is .35)

     Part =  Percentage x Total     --->   Part  =  .35 x 219  =  76.65

You know the part and the percentage and you want to find the total:

     75 is 42% of how many?           (75% as a decimal is .75) 

    Total  =  Part / Percentage    --->     Total  =  75 / .42  =  178.6  (approximately)

 Oct 24, 2014
 #1
avatar+23246 
+5
Best Answer

There are three types of problems; all can be solved using this equation:  Part  =  Percentage x Total

In that formula, the percentage is to be written as a decimal.

First type:

You want to know the percentage:

     What percentage is 23 out of 86?

     Percentage = Part / Total x 100     --->     Percentage  =  23 / 86 x 100  =  26.7%  (approximately)

You know the total amount and the percentage and you want to find the part:

     How many are 35% of 219?      (35% as a decimal is .35)

     Part =  Percentage x Total     --->   Part  =  .35 x 219  =  76.65

You know the part and the percentage and you want to find the total:

     75 is 42% of how many?           (75% as a decimal is .75) 

    Total  =  Part / Percentage    --->     Total  =  75 / .42  =  178.6  (approximately)

geno3141 Oct 24, 2014

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