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SG123Math
| Cookies | Muffins | Difference | Total | ||
| No. | $ | No. | $ | No. | No. |
| 4 | 3 | 6 | 7 | ||
| 28 | 21 | 18 | 21 | 10 | 46 |
| 60 | (?) | ||||
* Equal amount of money on cookies and muffins, hence common multiple of 3 and 7 is 21.
Cookies Muffins Difference Total
$3 x 7 = $21 $7 x 3 = $21
4 x 7 = 28 6 x 3 = 18 28 – 18 = 10 28 + 18 = 46
60/10 = 6 (groups)
6 x 46 = 276