A box contains some silver, blue and red sweets. The ratio of the number of silver sweets to the number of blue sweets is 8 : 9. The ratio of the number of blue sweets to the number of red sweets is also 8 : 9. What is the ratio of the number of silver sweets to the number of red sweets in the box?
Silver |
Blue |
Red |
8x8 |
9x8 |
|
|
8x9 |
9x9 |
64 u |
72 u |
81 u |
The number of blue sweets is the repeated identity.
LCM of 8 and 9 = 72
Silver sweets : Red sweets
64 : 81
Answer(s): 64 : 81