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

  2.   Solve 5x = 40.
    A. 9 B. 8
    C. 35 D. 6
    Hint

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

  4.   African elephants can weigh up to 16,500 pounds. They weigh about 1.5 times more than Indian elephants. Use the equation 1.5w = 16,500 to find the weight of the Indian elephant.
    A. 8,250 lbs B. 14,000 lbs
    C. 12,500 lbs D. 11,000 lbs
    Hint

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



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