A box contains some green, yellow and white chocolate bars. The ratio of the number of green chocolate bars to the number of yellow chocolate bars is 7 : 4. The ratio of the number of yellow chocolate bars to the number of white chocolate bars is also 7 : 4. What is the ratio of the number of green chocolate bars to the number of white chocolate bars in the box?
Green |
Yellow |
White |
7x7 |
4x7 |
|
|
7x4 |
4x4 |
49 u |
28 u |
16 u |
The number of yellow chocolate bars is the repeated identity.
LCM of 7 and 4 = 28
Green chocolate bars : White chocolate bars
49 : 16
Answer(s): 49 : 16