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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  

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?

  None of the choices

  18 to 12

  9 to 6

 
Bob just got his driver's license and now he has to drive his brothers and sisters to and from school. If the ratio of brothers to sisters is 4 to 1 and he has 3 sisters, then how many brothers does Bob have?

  4

  6

  12

 
What is 46 percent of 75?

  34.5

  None of the choices

  35

 
If there are 16 students and 2 teachers, what is the ratio of students to teachers in the class?

  8 to 1

  1 to 8

  16 to 2

 
What is 15 percent of 200?

  15

  30

  25

 


 
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