A drink stall had 96 small and big packets of soy milk. The number of small packets is
313 of the number of big packets. After selling a few big packets of soy milk, there are
14 as many small packets as big packets left. How many big packets of soy milk were sold?
| |
Small packets |
Big packets |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
|
- 1 u |
|
| After |
1x3 =
3 u |
4x3 =
12 u |
|
The number of small packets remains unchanged. Make the number of small packets the same. LCM of 3 and 1 is 3.
Number of small packets at first = 3 u
Number of big packets at first = 13 u
Total number of packets at first
= 3 u + 13 u
= 16 u
16 u = 96
1 u = 96 ÷ 16 = 6
Number of big packets sold
= 13 u - 12 u
= 1 u
= 6
Answer(s): 6
