1.   Solve .
    A. 40 B. 2.5
    C. 10 D. 320
    Hint

  2.   Solve .
    A. 30 B. 25
    C. 20 D. 35
    Hint

  3.   Is a proportion? Explain.
    A. Yes, because 2 × 9 = 8 × 3.
    B. Yes, because 2 × 3 = 8 × 9.
    C. No, because 2 + 3 = 8 + 9.
    D. No, because 2 × 9 8 × 3.
    Hint

  4.   At Howard's Family Grocery, you can buy 8 apples for $2.00. How much will you pay for 12 apples?
    A. $0.75 B. $1.50
    C. $48 D. $3
    Hint

  5.   Determine whether = form a proportion. Explain.
    A. Yes, because 10.62 × 4 = 6 × 7.05.
    B. Yes, because 10.62 × 4 6 × 7.05.
    C. No, because 10.62 × 4 = 6 × 7.05.
    D. No, because 10.62 × 4 6 × 7.05.
    Hint



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