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

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

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

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

  5.   378 is 84% of what number?
    A. 450 B. 317.52
    C. 462 D. 438.48
    Hint



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