A box contains some silver, blue and red lollipops. The ratio of the number of silver lollipops to the number of blue lollipops is 3 : 7. The ratio of the number of blue lollipops to the number of red lollipops is also 3 : 7. What is the ratio of the number of silver lollipops to the number of red lollipops in the box?
Silver |
Blue |
Red |
3x3 |
7x3 |
|
|
3x7 |
7x7 |
9 u |
21 u |
49 u |
The number of blue lollipops is the repeated identity.
LCM of 3 and 7 = 21
Silver lollipops : Red lollipops
9 : 49
Answer(s): 9 : 49