1.   Express 830% as a decimal.
    A. 0.083 B. 83.0
    C. 8.3 D. 0.83
    Hint

  2.   Which of the following is not reasonable?
    A. The number of household microwaves today are 0.95% of the microwaves in 1980.
    B. The weight of a mouse is 0.60% the weight of a lion.
    C. Last year's sales were 108% of this year's sales.
    D. The cost of gasoline is 120% of last year's cost.
    Hint

  3.   Express 4283% as a decimal.
    A. 42.83 B. 428.3
    C. 4283 D. 4.283
    Hint

  4.   In a sample of air containing about 500 liters, 4.67 liters of the element Argon was found. What percentage of the air is Argon?
    A. 0.467% B. 0.934%
    C. 0.2335% D. 0.1868%
    Hint

  5.   Find 7.25 written as a percent.
    A. 725% B. 7,250%
    C. 72.5% D. 7.25%
    Hint



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