A drink stall had 64 big and small bottles of milk. The number of big bottles is
313 of the number of small bottles. After selling a few small bottles of milk, there are
14 as many big bottles as small bottles left. How many small bottles of milk were sold?
| |
Big bottles |
Small bottles |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
|
- 1 u |
|
| After |
1x3 =
3 u |
4x3 =
12 u |
|
The number of big bottles remains unchanged. Make the number of big bottles the same. LCM of 3 and 1 is 3.
Number of big bottles at first = 3 u
Number of small bottles at first = 13 u
Total number of bottles at first
= 3 u + 13 u
= 16 u
16 u = 64
1 u = 64 ÷ 16 = 4
Number of small bottles sold
= 13 u - 12 u
= 1 u
= 4
Answer(s): 4
