Kylie spent
17 of her money on some notebooks. She spent
16 of the remaining money on some markers and
45 of what was left on some rulers.
- What fraction of her money was left?
- Given that the rulers cost $6 more than the markers, find the sum of money that Kylie had at first.
| Notebooks |
Remaining money |
| 1 |
6 |
| |
Markers |
Left |
| |
1 |
5 |
| |
|
Rulers |
Rest |
| 1 u |
1 u |
4 u |
1 u |
(a)
Fraction of money left after spending on the notebooks
= 1 -
17 =
67 Fraction of remaining money after spending on the markers
= 1 -
16 =
56 Fraction of what was left after spending on the rulers
= 1 -
45 =
15 Fraction of money that was left =
17 (b)
Amount that Kylie spent on the markers = 1 u
Amount that Kylie spent on the rulers = 4 u
Amount that the rulers cost more than the markers
= 4 u - 1 u
= 3 u
3 u = 6
1 u = 6 ÷ 3 = 2
Amount that Kylie had at first
= 7 u
= 7 x 2
= $14
Answer(s): (a)
17; (b) $14
