Kathy had 64 green cards and 40 blue cards. Kathy gave away 25% of her green cards and 70% of her blue cards. What percentage of her cards left was blue?
Percentage of green cards left
= 100% - 25%
= 75%
Number of green cards left
= 75% x 64
= 75100 x 64
= 48
Percentage of blue cards left
= 100% - 70%
= 30%
Number of blue cards left
= 30% x 40
=
30100 x 40
= 12
Total number of cards left
= 48 + 12
= 60
Percentage of cards left that are blue
=
1260 x 100%
= 20%
Answer(s): 20%
