Zara had 112 grey marbles and 40 yellow marbles. Zara gave away 25% of her grey marbles and 60% of her yellow marbles. What percentage of her marbles left was yellow?
Percentage of grey marbles left
= 100% - 25%
= 75%
Number of grey marbles left
= 75% x 112
= 75100 x 112
= 84
Percentage of yellow marbles left
= 100% - 60%
= 40%
Number of yellow marbles left
= 40% x 40
=
40100 x 40
= 16
Total number of marbles left
= 84 + 16
= 100
Percentage of marbles left that are yellow
=
16100 x 100%
= 16%
Answer(s): 16%
