Lucy spent
56 of her money on some scones and
34 of her remaining money on 5 cookies. Each cookie cost thrice as much as a scone. How many scones did she buy?
| Scones |
Remaining money |
| 5x4 |
1x4 |
| |
5 Cookies |
Left |
| |
3x1 |
1x1 |
| 20 u |
3 u |
1 u |
Cost of 1 cookie = Cost of 3 scones
(x5)Cost of 5 cookies = Cost of 15 scones
3 u = 15
1 u = 15 ÷ 3 = 5
Number of scones that Lucy bought
= 20 u
= 20 x 5
= 100
Answer(s): 100
