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 result:

p =  37.5 %

Solution:

8y=5x y=(1p/100)x  8(1p/100)x=5x  8(1p/100)=5  8 (1p/100)=5  8p=300  p=752=37.5=752%=37.5%



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