Anna spent
12 of her money on some shortbreads and
47 of her remaining money on 8 puffs. Each puff cost thrice as much as a shortbread. How many shortbreads did she buy?
Shortbreads |
Remaining money |
1x7 |
1x7 |
|
8 Puffs |
Left |
|
4x1 |
3x1 |
7 u |
4 u |
3 u |
Cost of 1 puff = Cost of 3 shortbreads
(x8)Cost of 8 puffs = Cost of 24 shortbreads
4 u = 24
1 u = 24 ÷ 4 = 6
Number of shortbreads that Anna bought
= 7 u
= 7 x 6
= 42
Answer(s): 42