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A SaskTel phone card regularly priced at $20.00 is on sale for $15.00. A Rogers phone card valued at $10.00 is on sale for $7.00. Which of these offers are the greatest discount?

 Oct 7, 2015
 #1
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I hate math.

 Oct 7, 2015
 #2
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A SaskTel phone card regularly priced at $20.00 is on sale for $15.00. A Rogers phone card valued at $10.00 is on sale for $7.00. Which of these offers are the greatest discount?

 

Find the discount rate for both and then compare:

15/20=.75, so the dicount is 1 - .75=.25 X 100=25%

7/10=.70, so the discount is 1 - .70=.30 X100=30%

So, Rogers phone card is a better deal.

 Oct 7, 2015

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