Dana spent
12 of her money on some biscuits and
37 of her remaining money on 8 cookies. Each cookie cost thrice as much as a biscuit. How many biscuits did she buy?
Biscuits |
Remaining money |
1x7 |
1x7 |
|
8 Cookies |
Left |
|
3x1 |
4x1 |
7 u |
3 u |
4 u |
Cost of 1 cookie = Cost of 3 biscuits
(x8)Cost of 8 cookies = Cost of 24 biscuits
3 u = 24
1 u = 24 ÷ 3 = 8
Number of biscuits that Dana bought
= 7 u
= 7 x 8
= 56
Answer(s): 56