jackie51 jackie51
  • 29-11-2015
  • Mathematics
contestada

$12 for 3 paperback books;$28 for 7 paperback book

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apologiabiology
apologiabiology apologiabiology
  • 29-11-2015
so assuming to solve for rate
12 for 3
divide
12/3=4
$4 per 1 book

28 for 7
divide
28/7=4
$4 per book

the rate is $4 per paperback book
Answer Link
SugoiPlatypus
SugoiPlatypus SugoiPlatypus
  • 29-11-2015
12/3=4
28/7=4
So 4$ for a paperback book.
Answer Link

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