Nicole spent
35 of her money on 6 foolscaps and 7 folders. The cost of one folder was thrice the cost of one foolscap. She bought some more folders with
16 of her remaining money. How many folders did Nicole buy altogether?
6 foolscaps and
7 folders |
Remaining amount |
| 3x3 |
2x3 |
| |
More folders |
Left |
| |
1x1 |
5x1 |
| 9 p |
1 p |
5 p |
Cost of 1 foolscap = 1 u
Cost of 1 folder = 3 u
Cost of 6 foolscaps = 6 x 1 u = 6 u
Cost of 7 folders = 7 x 3 u = 21 u
Total cost of 6 foolscaps and 7 folders
= 6 u + 21 u
= 27 u
9 p = 27 u
1 p = 27 ÷ 9 = 3 u
Amount that Nicole used to buy more folders
= 1 p
= 1 x 3 u
= 3 u
Number of more folders that Nicole bought
= 3 u ÷ 3 u
= 1
Total number of folders that Nicole bought
= 7 + 1
= 8
Answer(s): 8
