A box contains some grey, brown and black chocolate bars. The ratio of the number of grey chocolate bars to the number of brown chocolate bars is 1 : 8. The ratio of the number of brown chocolate bars to the number of black chocolate bars is also 1 : 8. What is the ratio of the number of grey chocolate bars to the number of black chocolate bars in the box?
Grey |
Brown |
Black |
1x1 |
8x1 |
|
|
1x8 |
8x8 |
1 u |
8 u |
64 u |
The number of brown chocolate bars is the repeated identity.
LCM of 1 and 8 = 8
Grey chocolate bars : Black chocolate bars
1 : 64
Answer(s): 1 : 64