jailynnprincess
jailynnprincess jailynnprincess
  • 13-02-2017
  • Mathematics
contestada

The ratio of books to magazines is 9:11 what percent of the reading materials are books

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SapphireMoon
SapphireMoon SapphireMoon
  • 16-02-2017
A 9:11 ratio means that books are 9/20 of the reading materials. 9/20 x 100 = 45%. Get it?
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