Supermarket 6000

The goods, whose original price was CZK 1,200, were discounted twice. First by 15%, later by 10% of the new price. Find the final price and the percentage by which the supermarket discounted the goods in total.

Correct answer:

c =  918 kc
p =  23.5 %

Step-by-step explanation:

a=1200 kc c=a (115/100) (110/100)=1200 (115/100) (110/100)=918 kc
p=100 (ac)/a=100 (1200918)/1200=23.5%

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