A box contains some silver, blue and red caramel apples. The ratio of the number of silver caramel apples to the number of blue caramel apples is 2 : 9. The ratio of the number of blue caramel apples to the number of red caramel apples is also 2 : 9. What is the ratio of the number of silver caramel apples to the number of red caramel apples in the box?
Silver |
Blue |
Red |
2x2 |
9x2 |
|
|
2x9 |
9x9 |
4 u |
18 u |
81 u |
The number of blue caramel apples is the repeated identity.
LCM of 2 and 9 = 18
Silver caramel apples : Red caramel apples
4 : 81
Answer(s): 4 : 81