Usha had 75 purple marbles and 60 gold marbles. Usha gave away 40% of her purple marbles and 50% of her gold marbles. What percentage of her marbles left was gold?
Percentage of purple marbles left
= 100% - 40%
= 60%
Number of purple marbles left
= 60% x 75
= 60100 x 75
= 45
Percentage of gold marbles left
= 100% - 50%
= 50%
Number of gold marbles left
= 50% x 60
=
50100 x 60
= 30
Total number of marbles left
= 45 + 30
= 75
Percentage of marbles left that are gold
=
3075 x 100%
= 40%
Answer(s): 40%
