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

  2.   What number is 34% of 65?
    A. 22.1 B. 52.3
    C. 19.1 D. 41.2
    Hint

  3.   40 is what percent of 25?
    A. 62.5 B. 10
    C. 160 D. 16
    Hint

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

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



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