Lynn spent
12 of her money on some muffins and
37 of her remaining money on 5 cupcakes. Each cupcake cost thrice as much as a muffin. How many muffins did she buy?
| Muffins |
Remaining money |
| 1x7 |
1x7 |
| |
5 Cupcakes |
Left |
| |
3x1 |
4x1 |
| 7 u |
3 u |
4 u |
Cost of 1 cupcake = Cost of 3 muffins
(x5)Cost of 5 cupcakes = Cost of 15 muffins
3 u = 15
1 u = 15 ÷ 3 = 5
Number of muffins that Lynn bought
= 7 u
= 7 x 5
= 35
Answer(s): 35
