A box contains some black, gold and silver lollipops. The ratio of the number of black lollipops to the number of gold lollipops is 3 : 10. The ratio of the number of gold lollipops to the number of silver lollipops is also 3 : 10. What is the ratio of the number of black lollipops to the number of silver lollipops in the box?
Black |
Gold |
Silver |
3x3 |
10x3 |
|
|
3x10 |
10x10 |
9 u |
30 u |
100 u |
The number of gold lollipops is the repeated identity.
LCM of 3 and 10 = 30
Black lollipops : Silver lollipops
9 : 100
Answer(s): 9 : 100