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?
A. 80%
B. 500%
C. 120%
D. 400%

Question

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?
A. 80% 	
	B. 500% 	
	C. 120% 	
	D. 400%

anonymous · Answer

You take the original amount and subtract from it the new amount. The make a proportion with the new amount over original equals x over 100 i think. Darn it I cant remember how the proportion was set up. And then you solve it. Sorry I cant remember how its set up xP

anonymous · Answer

It's ok lol

anonymous · Answer

= (2.25 - .45)/ 2.25 = .8 = 80%