raiders2 raiders2
  • 02-03-2016
  • Mathematics
contestada

Find the discount rate on a $15 cap that is on sale for $13.50

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jamesm78291
jamesm78291 jamesm78291
  • 02-03-2016

Set a proportion    13.50/15   and  x/100

13.50x100=1350     1350/15=90      subtract 90 from 100  so 10

10% is the discount rate because 10% of 15 is 1.50 or $1.50

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