Linda had 72 grey beads and 42 blue beads. Linda gave away 25% of her grey beads and 50% of her blue beads. What percentage of her beads left was blue?
Percentage of grey beads left
= 100% - 25%
= 75%
Number of grey beads left
= 75% x 72
= 75100 x 72
= 54
Percentage of blue beads left
= 100% - 50%
= 50%
Number of blue beads left
= 50% x 42
=
50100 x 42
= 21
Total number of beads left
= 54 + 21
= 75
Percentage of beads left that are blue
=
2175 x 100%
= 28%
Answer(s): 28%
