maseray1991 maseray1991

01-09-2014
Mathematics

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Find the original cost of a rocker selling for $159.95 at 20% off.

Respuesta :

macio06 macio06

01-09-2014

We can use proportion here. As we know, cost of a rocker is now 80% of original.
So:
[tex]159.95$------------------80% [/tex] crossmultiplying
[tex]x---------------------------100%[/tex]

[tex]x= \frac{159.95*100}{80}=199.94[/tex] - aswer

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