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March 2, 2015

March 2, 2015

Posted by **Monic** on Friday, May 18, 2012 at 11:28pm.

Purchase a refrigerator for $2,100 at 20% add-on interest for 3 years.

- ALGEBRA -
**Shanda**, Saturday, July 28, 2012 at 2:15pmUse formula APR=2Nr/N+1

2(36)(.20)/36+1

The first equation =14.40

bottom equation= 37

Divide 14.40/37=0.389189

change decimal to a percent so, 0.389189=39 rounded

so, N=time turned into month, so intead of time being 3, it is 36 because 3 years equals 36

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