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The cost of a phone is reduced by 20%. The new cost is $70.40. What was the original price?

 Sep 10, 2015
 #1
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0

it is $84.48

 Sep 10, 2015
 #2
avatar+128061 
+5

If the original price (P) was reduced by 20%, the new price is just 80% of what it was....so we have.....

 

,80P  = 70.40    divide both sides by . 80

 

P  =  $88

 

 

 

cool cool cool

 Sep 10, 2015

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