PSLE Jenson kept his pink and purple cubes in two boxes. The ratio of the number of pink to purple cubes in the first box was 1 : 4 and it was 1 : 6 in the second box. The two boxes contained the same number of cubes. What fraction of Jenson's cubes were purple cubes?
First box |
Second box |
1x35 35 u |
1x35 35 u |
5x7 |
7x5 |
Pink |
Purple |
Pink |
Purple |
1x7 |
4x7 |
1x5 |
6x5 |
7 u |
28 u |
5 u |
30 u |
The total number of cubes in the first box and the second box is the same. Make the total number of cubes in each box the same.
LCM of 5 and 7 is 35.
Total number of purple cubes
= 28 u + 30 u
= 58 u
Total number of cubes
= 35 u + 35 u
= 70 u
Fraction of Jenson's cubes that were purple cubes
=
5870 =
2935 Answer(s):
2935