Kathy spent
56 of her money on some muffins and
37 of her remaining money on 7 biscuits. Each biscuit cost thrice as much as a muffin. How many muffins did she buy?
Muffins |
Remaining money |
5x7 |
1x7 |
|
7 Biscuits |
Left |
|
3x1 |
4x1 |
35 u |
3 u |
4 u |
Cost of 1 biscuit = Cost of 3 muffins
(x7)Cost of 7 biscuits = Cost of 21 muffins
3 u = 21
1 u = 21 ÷ 3 = 7
Number of muffins that Kathy bought
= 35 u
= 35 x 7
= 245
Answer(s): 245