Joelle spent
23 of her money on some puffs and
34 of her remaining money on 5 croissants. Each croissant cost thrice as much as a puff. How many puffs did she buy?
Puffs |
Remaining money |
2x4 |
1x4 |
|
5 Croissants |
Left |
|
3x1 |
1x1 |
8 u |
3 u |
1 u |
Cost of 1 croissant = Cost of 3 puffs
(x5)Cost of 5 croissants = Cost of 15 puffs
3 u = 15
1 u = 15 ÷ 3 = 5
Number of puffs that Joelle bought
= 8 u
= 8 x 5
= 40
Answer(s): 40