PSLE Nick kept his purple and blue coins in two boxes. The ratio of the number of purple to blue coins in the first box was 2 : 5 and it was 2 : 3 in the second box. The two boxes contained the same number of coins. What fraction of Nick's coins were blue coins?
First box |
Second box |
1x35 35 u |
1x35 35 u |
7x5 |
5x7 |
Purple |
Blue |
Purple |
Blue |
2x5 |
5x5 |
2x7 |
3x7 |
10 u |
25 u |
14 u |
21 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 7 and 5 is 35.
Total number of blue coins
= 25 u + 21 u
= 46 u
Total number of coins
= 35 u + 35 u
= 70 u
Fraction of Nick's coins that were blue coins
=
4670 =
2335 Answer(s):
2335