1.   Write and solve a proportion. What number is 25% of 360?
    A. 360 B. 9000
    C. 14.4 D. 90
    Hint

  2.   Write and solve a proportion. What number is 40% of 80?
    A. 32 B. 24
    C. 24 D. 2.7
    Hint

  3.   Write and solve a proportion. 30% of what number is 21?
    A. 7 B. 630
    C. 70 D. 63
    Hint

  4.   Write and solve a proportion. 48% of what number is 48?
    A. 2304 B. 100
    C. 1 D. 23
    Hint

  5.   Write and solve a proportion. 18 is 40% of what number?
    A. 45 B. 4.5
    C. 7.2 D. 72
    Hint



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