Kimberly bought four times as many muffins as Paul. After Kimberly ate 3 muffins, she had 12 more muffins than Paul. How many muffins did they buy altogether?
| |
Kimberly |
Paul |
Total |
| Before |
4 u |
1 u |
5 u |
| Change |
- 3 |
|
|
| After |
4 u - 3 |
1 u |
|
The number of muffins that Paul had remains unchanged.
If Paul had another 12 muffins in the end, the number of muffins that Kimberly and Paul had would be the same.
4 u - 3 = 1 u + 12
4 u - 1 u = 12 + 3
3 u = 15
1 u = 15 ÷ 3 = 5
Total number of muffins
= 4 u + 1 u
= 5 u
= 5 x 5
= 25
Answer(s): 25
