A box contains some grey, brown and black mochi balls. The ratio of the number of grey mochi balls to the number of brown mochi balls is 6 : 5. The ratio of the number of brown mochi balls to the number of black mochi balls is also 6 : 5. What is the ratio of the number of grey mochi balls to the number of black mochi balls in the box?
Grey |
Brown |
Black |
6x6 |
5x6 |
|
|
6x5 |
5x5 |
36 u |
30 u |
25 u |
The number of brown mochi balls is the repeated identity.
LCM of 6 and 5 = 30
Grey mochi balls : Black mochi balls
36 : 25
Answer(s): 36 : 25