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Arithmetic : Percent & Ratio   Percent & Ratio

Contributed by Racer9i
Select the correct answers for the following problems after calculating the percents and determining the ratios.

Your Performance  

What is 15 percent of 200?

  30

  15

  25

 
Calculate the total cost you will pay for a $10 remote control car with the sales tax being 8 percent.

  $108.00

  $10.80

  $10.08

 
Bill is 4 years older than Jill and 2 years younger than David. If Jill is 12, then what is the percent of years she is older than David?

  9 to 6

  None of the choices

  18 to 12

 
There are 4 black rabbits and twice as many grey rabbits as brown rabbits. If there are 16 grey rabbits, then what is the ratio of brown to black rabbits?

  16 to 4

  8 to 4

  2 to 1

 
4 boys have green eyes, 12 boys have blue, and 7 have brown. What is the ratio of boys who have blue eyes to those that don't?

  12 to 11

  12 to 4

  12 to 7

 


 
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