Gillian had 80 white pens and 40 yellow pens. Gillian gave away 25% of her white pens and 50% of her yellow pens. What percentage of her pens left was yellow?
Percentage of white pens left
= 100% - 25%
= 75%
Number of white pens left
= 75% x 80
= 75100 x 80
= 60
Percentage of yellow pens left
= 100% - 50%
= 50%
Number of yellow pens left
= 50% x 40
=
50100 x 40
= 20
Total number of pens left
= 60 + 20
= 80
Percentage of pens left that are yellow
=
2080 x 100%
= 25%
Answer(s): 25%
