PSLE Jenson kept his yellow and pink coins in two boxes. The ratio of the number of yellow to pink coins in the first box was 1 : 2 and it was 1 : 8 in the second box. The two boxes contained the same number of coins. What fraction of Jenson's coins were yellow coins?
First box |
Second box |
1x9 9 u |
1x9 9 u |
3x3 |
9x1 |
Yellow |
Pink |
Yellow |
Pink |
1x3 |
2x3 |
1x1 |
8x1 |
3 u |
6 u |
1 u |
8 u |
The total number of coins in the first box and the second box is the same. Make the total number of coins in each box the same. LCM of 3 and 9 is 9.
Total number of yellow coins
= 3 u + 1 u
= 4 u
Total number of coins
= 9 u + 9 u
= 18 u
Fraction of Jenson's coins that were yellow coins
=
418 =
29 Answer(s):
29