Nora spent
12 of her money on some biscuits and
34 of her remaining money on 6 muffins. Each muffin cost thrice as much as a biscuit. How many biscuits did she buy?
Biscuits |
Remaining money |
1x4 |
1x4 |
|
6 Muffins |
Left |
|
3x1 |
1x1 |
4 u |
3 u |
1 u |
Cost of 1 muffin = Cost of 3 biscuits
(x6)Cost of 6 muffins = Cost of 18 biscuits
3 u = 18
1 u = 18 ÷ 3 = 6
Number of biscuits that Nora bought
= 4 u
= 4 x 6
= 24
Answer(s): 24