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

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

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

  4.   Write and solve a proportion. What percent of 50 is 38?
    A. 76% B. 19%
    C. 62% D. 132%
    Hint

  5.   Write and solve a proportion. What percent of 128 is 32?
    A. 6% B. 63%
    C. 25% D. 20%
    Hint



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