Ivory spent
19 of her money on some pencils. She spent
18 of the remaining money on some notebooks and
37 of what was left on some staplers.
- What fraction of her money was left?
- Given that the staplers cost $4 more than the notebooks, find the sum of money that Ivory had at first.
| Pencils |
Remaining money |
| 1 |
8 |
| |
Notebooks |
Left |
| |
1 |
7 |
| |
|
Staplers |
Rest |
| 1 u |
1 u |
3 u |
4 u |
(a)
Fraction of money left after spending on the pencils
= 1 -
19 =
89 Fraction of remaining money after spending on the notebooks
= 1 -
18 =
78 Fraction of what was left after spending on the staplers
= 1 -
37 =
47 Fraction of money that was left =
49 (b)
Amount that Ivory spent on the notebooks = 1 u
Amount that Ivory spent on the staplers = 3 u
Amount that the staplers cost more than the notebooks
= 3 u - 1 u
= 2 u
2 u = 4
1 u = 4 ÷ 2 = 2
Amount that Ivory had at first
= 9 u
= 9 x 2
= $18
Answer(s): (a)
49; (b) $18
