smithshala smithshala
  • 02-04-2018
  • Mathematics
contestada

a ratio of science books to art books is 2:5. 20 % of the books were unsold and 2240 were sold. total amount of each book?

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cupofmice
cupofmice cupofmice
  • 02-04-2018
science = 512
art = 1,280
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