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

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

  3.   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. 12,500 lbs B. 8,250 lbs
    C. 14,000 lbs D. 11,000 lbs
    Hint

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

  5.   One gallon is four times as much as one quart. A gallon of water weighs about eight pounds. Use the equation 4q = 8 to find out about how much a quart of water weighs.
    A. 8 pounds B. 1 pounds
    C. 2 pounds D. 4 pounds
    Hint



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