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

  2.   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

  3.   A cookie recipe calls for two eggs and yields 4 dozen cookies. How many eggs would be necessary to make 10 dozen cookies?
    A. 7eggs B. 6 eggs
    C. 5 eggs D. 4 eggs
    Hint

  4.   Solve
    A. x = 29 B. x = 24
    C. x = 1.5 D. x = 37.5
    Hint

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



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