Shiyun spent
34 of her money on some shortbreads and
25 of her remaining money on 7 wafers. Each wafer cost twice as much as a shortbread. How many shortbreads did she buy?
| Shortbreads |
Remaining money |
| 3x5 |
1x5 |
| |
7 Wafers |
Left |
| |
2x1 |
3x1 |
| 15 u |
2 u |
3 u |
Cost of 1 wafer = Cost of 2 shortbreads
(x7)Cost of 7 wafers = Cost of 14 shortbreads
2 u = 14
1 u = 14 ÷ 2 = 7
Number of shortbreads that Shiyun bought
= 15 u
= 15 x 7
= 105
Answer(s): 105
