Cathy spent
23 of her money on some shortbreads and
37 of her remaining money on 5 croissants. Each croissant cost thrice as much as a shortbread. How many shortbreads did she buy?
Shortbreads |
Remaining money |
2x7 |
1x7 |
|
5 Croissants |
Left |
|
3x1 |
4x1 |
14 u |
3 u |
4 u |
Cost of 1 croissant = Cost of 3 shortbreads
(x5)Cost of 5 croissants = Cost of 15 shortbreads
3 u = 15
1 u = 15 ÷ 3 = 5
Number of shortbreads that Cathy bought
= 14 u
= 14 x 5
= 70
Answer(s): 70