Yoko bought thrice as many scones as Jack. After Yoko ate 4 scones, she had 12 more scones than Jack. How many scones did they buy altogether?
| |
Yoko |
Jack |
Total |
| Before |
3 u |
1 u |
4 u |
| Change |
- 4 |
|
|
| After |
3 u - 4 |
1 u |
|
The number of scones that Jack had remains unchanged.
If Jack had another 12 scones in the end, the number of scones that Yoko and Jack had would be the same.
3 u - 4 = 1 u + 12
3 u - 1 u = 12 + 4
2 u = 16
1 u = 16 ÷ 2 = 8
Total number of scones
= 3 u + 1 u
= 4 u
= 4 x 8
= 32
Answer(s): 32
