Kathy spent
34 of her money on some shortbreads and
37 of her remaining money on 5 macarons. Each macaron cost thrice as much as a shortbread. How many shortbreads did she buy?
| Shortbreads |
Remaining money |
| 3x7 |
1x7 |
| |
5 Macarons |
Left |
| |
3x1 |
4x1 |
| 21 u |
3 u |
4 u |
Cost of 1 macaron = Cost of 3 shortbreads
(x5)Cost of 5 macarons = Cost of 15 shortbreads
3 u = 15
1 u = 15 ÷ 3 = 5
Number of shortbreads that Kathy bought
= 21 u
= 21 x 5
= 105
Answer(s): 105
