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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?

A80%
B400%
C500%
D120%

Verified Answer :

The answer is A. 
80%
I hope this helps! :) 

Answer:

a. 80%

Step-by-step explanation:

The percent of decrease can be calculated as:

\(Percentage Decrease = \frac{Initial price - Final Price}{ Initial Price}*100\)

Then, replacing initial price for $2.25 and final price for $.45 we get:

\(Percentage Decrease = \frac{2.25 - 0.45}{2.25} *100\)

percentage of decrease = 80%

Finally the percentage of decrease in the price of the card is 80%

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