Tammy had 50 brown buttons and 30 silver buttons. Tammy gave away 30% of her brown buttons and 50% of her silver buttons. What percentage of her buttons left was silver?
Percentage of brown buttons left
= 100% - 30%
= 70%
Number of brown buttons left
= 70% x 50
= 70100 x 50
= 35
Percentage of silver buttons left
= 100% - 50%
= 50%
Number of silver buttons left
= 50% x 30
=
50100 x 30
= 15
Total number of buttons left
= 35 + 15
= 50
Percentage of buttons left that are silver
=
1550 x 100%
= 30%
Answer(s): 30%
