SOLUTION: Hi cars are priced at a profit of 40% on cost price. When tony bought a car he received a discount of 20% on the sale price. If the the profit was 3600 dollars what was original c

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Question 1052995: Hi
cars are priced at a profit of 40% on cost price. When tony bought a car he received a discount of 20% on the sale price. If the the profit was 3600 dollars what was original cost of the car.
Thanks
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +c+ = the original cost of the car
+1.4c+ = price of car with 40% profit added
+1.4c+-+.2%2A%28+1.4c+%29+=+1.4c%2A%28+1+-+.2+%29+
+.8%2A1.4c+=+1.12c+ = selling price with discount subtracted
------------------------
The profit is [ final selling price ] minus [ cost ]
+1.12c+-+c+=+%28+1.12+-+1+%29%2Ac+
+.12c+=+3600+
+c+=+30000+
The original cost of the car was $30,000
Hope I got it!