Eva had 60 gold stamps and 30 silver stamps. Eva gave away 40% of her gold stamps and 70% of her silver stamps. What percentage of her stamps left was silver?
Percentage of gold stamps left
= 100% - 40%
= 60%
Number of gold stamps left
= 60% x 60
= 60100 x 60
= 36
Percentage of silver stamps left
= 100% - 70%
= 30%
Number of silver stamps left
= 30% x 30
=
30100 x 30
= 9
Total number of stamps left
= 36 + 9
= 45
Percentage of stamps left that are silver
=
945 x 100%
= 20%
Answer(s): 20%
