Lynn had 65 red pens and 60 grey pens. Lynn gave away 40% of her red pens and 65% of her grey pens. What percentage of her pens left was grey?
Percentage of red pens left
= 100% - 40%
= 60%
Number of red pens left
= 60% x 65
= 60100 x 65
= 39
Percentage of grey pens left
= 100% - 65%
= 35%
Number of grey pens left
= 35% x 60
=
35100 x 60
= 21
Total number of pens left
= 39 + 21
= 60
Percentage of pens left that are grey
=
2160 x 100%
= 35%
Answer(s): 35%
