SOLUTION: A reduction of 20% in the price of salt enables a purchase to buy 2.5 kg more for $160.find the original price per kg of salt.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A reduction of 20% in the price of salt enables a purchase to buy 2.5 kg more for $160.find the original price per kg of salt.       Log On


   

Question 667756: A reduction of 20% in the price of salt enables a purchase to buy 2.5 kg more for $160.find the original price per kg of salt.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = the original price/kg
given:
+x+-+.2x+=+160%2F2.5+
+.8x+=+64+
+x+=+80+
The original price is $80/kg