Problema Solution
Wren bought a baseball card last year for $2.25. This year the price dropped to $.45. What was the percent of decrease in the price of the card?
Answer provided by our tutors
the ratio 0.45/2.25 is the ratio of the new price to the original price and we can multiply it by 100 to express it as a percentage;
the original price was 100% of the price, so the decrease of the price:
100-100(0.45/2.25)
80
So the baseball card's price was reduced by 80%.