Kaufland sales-off

As a rule, the goods to the approaching end consumption in Kaufland three days before the consumption end to 30% off and one day before the consumption end to 50% discounts. Sometimes, however, the seller has been mistaken, and the second discount is already computed from the discounted goods. When the seller has been mistaken, calculate how much the total discount is.

Correct answer:

p =  65 %

Step-by-step explanation:

c1=130/100=107=0.7 c2=150/100=21=0.5 c3=c1 c2=0.7 0.5=207=0.35 p=(1c3) 100=(10.35) 100=65%

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