PSLE Asher kept his brown and silver beads in two boxes. The ratio of the number of brown to silver beads in the first box was 1 : 11 and it was 1 : 3 in the second box. The two boxes contained the same number of beads. What fraction of Asher's beads were silver beads?
First box |
Second box |
1x12 12 u |
1x12 12 u |
12x1 |
4x3 |
Brown |
Silver |
Brown |
Silver |
1x1 |
11x1 |
1x3 |
3x3 |
1 u |
11 u |
3 u |
9 u |
The total number of beads in the first box and the second box is the same. Make the total number of beads in each box the same.
LCM of 12 and 4 is 12.
Total number of silver beads
= 11 u + 9 u
= 20 u
Total number of beads
= 12 u + 12 u
= 24 u
Fraction of Asher's beads that were silver beads
=
2024 =
56 Answer(s):
56