Shiyun spent
411 of her money on some folders. She spent
27 of the remaining money on some highlighters and
45 of what was left on some pencils.
- What fraction of her money was left?
- Given that the pencils cost $18 more than the highlighters, find the sum of money that Shiyun had at first.
| Folders |
Remaining money |
| 4 |
7 |
| |
Highlighters |
Left |
| |
2 |
5 |
| |
|
Pencils |
Rest |
| 4 u |
2 u |
4 u |
1 u |
(a)
Fraction of money left after spending on the folders
= 1 -
411 =
711 Fraction of remaining money after spending on the highlighters
= 1 -
27 =
57 Fraction of what was left after spending on the pencils
= 1 -
45 =
15 Fraction of money that was left =
111 (b)
Amount that Shiyun spent on the highlighters = 2 u
Amount that Shiyun spent on the pencils = 4 u
Amount that the pencils cost more than the highlighters
= 4 u - 2 u
= 2 u
2 u = 18
1 u = 18 ÷ 2 = 9
Amount that Shiyun had at first
= 11 u
= 11 x 9
= $99
Answer(s): (a)
111; (b) $99
