Sale discount

The product was discounted so that eight products at a new price cost just as five products at an old price. How many percents is the new price lower than the old price?

Correct answer:

p =  37.5 %

Step-by-step explanation:

8y = 5x y = (1p/100)x  8(1p/100)x = 5x  8(1p/100)=5  8 (1p/100)=5  8p=300  p=8300=37.5  p=275=37.5=37.5%

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