raiders2 raiders2

02-03-2016
Mathematics

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

Respuesta :

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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