A box contains some grey, brown and black caramel apples. The ratio of the number of grey caramel apples to the number of brown caramel apples is 10 : 9. The ratio of the number of brown caramel apples to the number of black caramel apples is also 10 : 9. What is the ratio of the number of grey caramel apples to the number of black caramel apples in the box?
Grey |
Brown |
Black |
10x10 |
9x10 |
|
|
10x9 |
9x9 |
100 u |
90 u |
81 u |
The number of brown caramel apples is the repeated identity.
LCM of 10 and 9 = 90
Grey caramel apples : Black caramel apples
100 : 81
Answer(s): 100 : 81