Gillian had 60 red pens and 30 yellow pens. Gillian gave away 20% of her red pens and 60% of her yellow pens. What percentage of her pens left was yellow?
Percentage of red pens left
= 100% - 20%
= 80%
Number of red pens left
= 80% x 60
= 80100 x 60
= 48
Percentage of yellow pens left
= 100% - 60%
= 40%
Number of yellow pens left
= 40% x 30
=
40100 x 30
= 12
Total number of pens left
= 48 + 12
= 60
Percentage of pens left that are yellow
=
1260 x 100%
= 20%
Answer(s): 20%
