Cindy spent
34 of her money on some biscuits and
37 of her remaining money on 5 macarons. Each macaron cost thrice as much as a biscuit. How many biscuits did she buy?
Biscuits |
Remaining money |
3x7 |
1x7 |
|
5 Macarons |
Left |
|
3x1 |
4x1 |
21 u |
3 u |
4 u |
Cost of 1 macaron = Cost of 3 biscuits
(x5)Cost of 5 macarons = Cost of 15 biscuits
3 u = 15
1 u = 15 ÷ 3 = 5
Number of biscuits that Cindy bought
= 21 u
= 21 x 5
= 105
Answer(s): 105