1.   Use cross products to determine which ratio forms a proportion with
    A. B.
    C. D.
    Hint

  2.   Solve the proportion .
    A. 8 B. 16
    C. 196 D. 392
    Hint

  3.   Suppose 2 inches represent 50 miles on a map. If the distance between two cities on the map is inches, what is the actual distance between the cities?
    A. mi B. mi
    C. mi D. mi
    Hint

  4.   Solve
    A. n = 29.02 B. n = 35.35
    C. n = 26.35 D. n = 14.64
    Hint

  5.   Solve
    A. r = 179 B. r = 203
    C. r = 155 D. r = 107
    Hint



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