Question

marlis has 765 cards in her baseball collection. she sells 153 of cards. What is the percent of decrease in the number of cards in the collection?

Answer 1

20%

Explanation:

(765 - 153)/765*100

(612)/765*100

0.8*100

80% of original

100% - 80% = 20% reduction

Answer 2

765-153=612
612 divided by 765 = 0.8
80% is the amount she has left but the decrease is 20%