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10 December, 01:03

Is $12 for 3 books; $28 for 7 books proportion

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Answers (2)
  1. 10 December, 03:01
    0
    12:3=4/1 is the porpotional 28:7=4 is the porpotional The porpotional for both of them is 4
  2. 10 December, 04:08
    0
    Yes, it is proportional. Every book is $4. 3 x 4 is 12, 7 x 4 is 28.
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