Yesterday, there were twice as many geese as turkeys on a farm. Today, 40 geese are sold. There are thrice as many turkeys now. Find the total number of turkeys and geese on the farm yesterday.
| |
Geese |
Turkeys |
Total |
| Before |
2x3 =
6 u |
1x3 =
3 u |
9 u |
| Change |
- 40 |
|
|
| After |
1 u |
3 u |
|
The number of turkeys at first and in the end remains unchanged. Make the number of turkeys the same. LCM of 1 and 3 is 3.
Number of geese sold
= 6 u - 1 u
= 5 u
5 u = 40
1 u = 40 ÷ 5 = 8
Total number of turkeys and geese yesterday
= 6 u + 3 u
= 9 u
= 9 x 8
= 72
Answer(s): 72
