Mr. Tan had 100 fans for sale at RM50 each.In the first week, only 30% of the fans were sold. He decided to give a discount of 20% in the second week and managed to sell all the remaining fans. Altogether he made a profit of RM800. Find the cost price of each fan.

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Jawapan

Jawapan Paling Bijak!
2016-06-10T11:33:30+08:00
30% = 30/100 x 100 = 30.
Fans that been sold first = 30 x 50 = 1500.
After discount = 20/100 x 50 = 10.
                       = 70 x 40 = 2800
The sum = 2800 + 1500 = 4300
The Cost = 4300 - 800
               = 3500.
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