Yesterday, there were four times as many pigs as turkeys on a farm. Today, 49 pigs are sold. There are twice as many turkeys now. Find the total number of turkeys and pigs on the farm yesterday.
| |
Pigs |
Turkeys |
Total |
| Before |
4x2 =
8 u |
1x2 =
2 u |
10 u |
| Change |
- 49 |
|
|
| After |
1 u |
2 u |
|
The number of turkeys at first and in the end remains unchanged. Make the number of turkeys the same. LCM of 1 and 2 is 2.
Number of pigs sold
= 8 u - 1 u
= 7 u
7 u = 49
1 u = 49 ÷ 7 = 7
Total number of turkeys and pigs yesterday
= 8 u + 2 u
= 10 u
= 10 x 7
= 70
Answer(s): 70
