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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  

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?

  6

  12

  4

 
What is 46 percent of 75?

  35

  34.5

  None of the choices

 
What is 15 percent of 200?

  25

  30

  15

 
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

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

  $108.00

  $10.08

  $10.80

 


 
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