Yen had 70 yellow pens and 60 brown pens. Yen gave away 20% of her yellow pens and 60% of her brown pens. What percentage of her pens left was brown?
Percentage of yellow pens left
= 100% - 20%
= 80%
Number of yellow pens left
= 80% x 70
= 80100 x 70
= 56
Percentage of brown pens left
= 100% - 60%
= 40%
Number of brown pens left
= 40% x 60
=
40100 x 60
= 24
Total number of pens left
= 56 + 24
= 80
Percentage of pens left that are brown
=
2480 x 100%
= 30%
Answer(s): 30%
