PSLE Ryan kept his silver and white coins in two boxes. The ratio of the number of silver to white coins in the first box was 3 : 8 and it was 1 : 2 in the second box. The two boxes contained the same number of coins. What fraction of Ryan's coins were white coins?
First box |
Second box |
1x33 33 u |
1x33 33 u |
11x3 |
3x11 |
Silver |
White |
Silver |
White |
3x3 |
8x3 |
1x11 |
2x11 |
9 u |
24 u |
11 u |
22 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 11 and 3 is 33.
Total number of white coins
= 24 u + 22 u
= 46 u
Total number of coins
= 33 u + 33 u
= 66 u
Fraction of Ryan's coins that were white coins
=
4666 =
2333 Answer(s):
2333