Shiyun had 84 red pens and 54 silver pens. Shiyun gave away 25% of her red pens and 50% of her silver pens. What percentage of her pens left was silver?
Percentage of red pens left
= 100% - 25%
= 75%
Number of red pens left
= 75% x 84
= 75100 x 84
= 63
Percentage of silver pens left
= 100% - 50%
= 50%
Number of silver pens left
= 50% x 54
=
50100 x 54
= 27
Total number of pens left
= 63 + 27
= 90
Percentage of pens left that are silver
=
2790 x 100%
= 30%
Answer(s): 30%
