1.   Solve the equation shown by the model.
   
    A. x = -6 B. x = -4
    C. x = -15 D. x = -3
    Hint

  2.   Solve 75 = 25a.
    A. B. 3
    C. 100 D. 50
    Hint

  3.   7 times a number is 14. This can be represented by the equation
7n = 14. Solve to find the number.
    A. 2 B. 7
    C. 3 D. 21
    Hint

  4.   Teresa is competing in a bicycle race which is 12 miles long. If her speed is an average of 3 miles per hour, how long will it take her to finish the race? Use the equation d = rt where d is the distance in miles, r is the average speed in miles per hour, and t is the time in hours.
    A. 3 hours B. 2.5 hours
    C. 3.5 hours D. 4 hours
    Hint

  5.   Solve 11r = 99.
    A. -9 B. 11
    C. 9 D. 8
    Hint



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