Dealer

Dealer sell digital camera for € 474. Thirty percent of the price was his profit. After some time, decreased interest in selling the camera and therefore reduce its sales price by 11 %.

How many percent of the new price now is dealer's profit? Round the result to two decimal places.

Result

p =  15.7 %

Solution:

p=1004741.3(111/100)474474  p=100(1.3(111/100)1)=15.7%p = 100\cdot \dfrac{ 474 \cdot 1.3\cdot (1-11/100)- 474}{ 474} \ \\ \ \\ p = 100\cdot (1.3\cdot (1-11/100)-1) = 15.7 \%



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