A box contains some white, pink and purple candy canes. The ratio of the number of white candy canes to the number of pink candy canes is 9 : 5. The ratio of the number of pink candy canes to the number of purple candy canes is also 9 : 5. What is the ratio of the number of white candy canes to the number of purple candy canes in the box?
White |
Pink |
Purple |
9x9 |
5x9 |
|
|
9x5 |
5x5 |
81 u |
45 u |
25 u |
The number of pink candy canes is the repeated identity.
LCM of 9 and 5 = 45
White candy canes : Purple candy canes
81 : 25
Answer(s): 81 : 25