Dana spent
34 of her money on some tarts and
47 of her remaining money on 8 croissants. Each croissant cost twice as much as a tart. How many tarts did she buy?
Tarts |
Remaining money |
3x7 |
1x7 |
|
8 Croissants |
Left |
|
4x1 |
3x1 |
21 u |
4 u |
3 u |
Cost of 1 croissant = Cost of 2 tarts
(x8)Cost of 8 croissants = Cost of 16 tarts
4 u = 16
1 u = 16 ÷ 4 = 4
Number of tarts that Dana bought
= 21 u
= 21 x 4
= 84
Answer(s): 84