Scarlett bought some custard and matcha croissants in the ratio of 8 : 7. After Scarlett's classmates ate an equal number of the two types of croissants, there were 40% fewer matcha than custard croissants. In the end, there were 168 croissants left. How many croissants of each type were eaten?
| |
Custard |
Matcha |
Difference |
| Before |
8x2 =
16 u |
7x2 =
14 u |
1x2 =
2 u |
| Change |
- 11 u |
- 11 u |
|
| After |
5 u |
3 u |
2 u |
100% - 40% = 60%
60% =
60100 =
35The difference in the number of custard and matcha croissants remains unchanged.
LCM of 1 and 2 = 2
Total croissants left = 5 u + 3 u = 8 u
8 u = 168
1 u = 168 ÷ 8 = 21
Total number of each type of croissants eaten
= 11 u
= 11 x 21
= 231
Answer(s): 231
