A box contains some silver, blue and red mochi balls. The ratio of the number of silver mochi balls to the number of blue mochi balls is 6 : 7. The ratio of the number of blue mochi balls to the number of red mochi balls is also 6 : 7. What is the ratio of the number of silver mochi balls to the number of red mochi balls in the box?
Silver |
Blue |
Red |
6x6 |
7x6 |
|
|
6x7 |
7x7 |
36 u |
42 u |
49 u |
The number of blue mochi balls is the repeated identity.
LCM of 6 and 7 = 42
Silver mochi balls : Red mochi balls
36 : 49
Answer(s): 36 : 49