1.   In Kendra's school, 2 out of every 5 seventh graders went to a movie theater over the weekend. If there are 80 students in the seventh grade, how many of them saw a movie?
    A. 36 B. 16
    C. 32 D. 28
    Hint

  2.   Solve
    A. 4.5 B. 6
    C. 4 D. 7
    Hint

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

  4.   Solve = .
    A. 24 B. 121.5
    C. 12 D. 6
    Hint

  5.   Determine whether = form a proportion. Explain.
    A. Yes, because 8 × 12 ? 10 × 15. B. No, because 8 × 15 ? 10 × 12.
    C. Yes, because 8 × 15 = 10 × 12. D. No, because the ratios are not equal.
    Hint



Glencoe
The McGraw-Hill Companies