A box contains some grey, brown and black sweets. The ratio of the number of grey sweets to the number of brown sweets is 1 : 4. The ratio of the number of brown sweets to the number of black sweets is also 1 : 4. What is the ratio of the number of grey sweets to the number of black sweets in the box?
Grey |
Brown |
Black |
1x1 |
4x1 |
|
|
1x4 |
4x4 |
1 u |
4 u |
16 u |
The number of brown sweets is the repeated identity.
LCM of 1 and 4 = 4
Grey sweets : Black sweets
1 : 16
Answer(s): 1 : 16