A box contains some yellow, white and pink lollipops. The ratio of the number of yellow lollipops to the number of white lollipops is 10 : 9. The ratio of the number of white lollipops to the number of pink lollipops is also 10 : 9. What is the ratio of the number of yellow lollipops to the number of pink lollipops in the box?
Yellow |
White |
Pink |
10x10 |
9x10 |
|
|
10x9 |
9x9 |
100 u |
90 u |
81 u |
The number of white lollipops is the repeated identity.
LCM of 10 and 9 = 90
Yellow lollipops : Pink lollipops
100 : 81
Answer(s): 100 : 81