1.   In the expression 18 is 20% of 90, 18 is the ____.
    A. base B. percentage
    C. rate D. percent proportion
    Hint

  2.   40 is what percent of 25?
    A. 160 B. 62.5
    C. 16 D. 10
    Hint

  3.   58 is 29% of what number?
    A. 50 B. 232
    C. 168.2 D. 200
    Hint

  4.   72 is what percent of 90?
    A. 40% B. 5%
    C. 80% D. 20%
    Hint

  5.   In the survey for which the results are shown below, if 57 people responded that they preferred orange candy, how many people participated in the survey?
   
    A. 108 B. 190
    C. 300 D. 33
    Hint



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