A box contains some grey, brown and black candy canes. The ratio of the number of grey candy canes to the number of brown candy canes is 5 : 8. The ratio of the number of brown candy canes to the number of black candy canes is also 5 : 8. What is the ratio of the number of grey candy canes to the number of black candy canes in the box?
Grey |
Brown |
Black |
5x5 |
8x5 |
|
|
5x8 |
8x8 |
25 u |
40 u |
64 u |
The number of brown candy canes is the repeated identity.
LCM of 5 and 8 = 40
Grey candy canes : Black candy canes
25 : 64
Answer(s): 25 : 64