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22 October, 21:52

Write and solve a proportion to answer the question.

0.5 is what percent of 20?

Questions:

? = p/100

P = ?

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Answers (1)
  1. 22 October, 21:58
    0
    Number 1 is 1/20, so number 0.5 is 1/40 of 20. so p=100/40 = 10/4 = 2.5%

    so 0.5 is 2.5% of 20

    proof: 2.5*20/100 = 50/100 = 0.5
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