Yesterday, there were four times as many sheep as pigs on a farm. Today, 44 sheep are sold. There are thrice as many pigs now. Find the total number of pigs and sheep on the farm yesterday.
| |
Sheep |
Pigs |
Total |
| Before |
4x3 =
12 u |
1x3 =
3 u |
15 u |
| Change |
- 44 |
|
|
| After |
1 u |
3 u |
|
The number of pigs at first and in the end remains unchanged. Make the number of pigs the same. LCM of 1 and 3 is 3.
Number of sheep sold
= 12 u - 1 u
= 11 u
11 u = 44
1 u = 44 ÷ 11 = 4
Total number of pigs and sheep yesterday
= 12 u + 3 u
= 15 u
= 15 x 4
= 60
Answer(s): 60
