A marker cost $3.50. A notebook cost $13.50 more than the marker. Jen spent $62 on such markers and notebooks. She bought four times as many markers as notebooks.
- How many notebooks did Jen buy?
- How much money did Jen spend on the markers?
|
Markers |
Notebooks |
Total |
Number |
4 u |
1 u |
|
Value |
3.50 |
17 |
|
Total value |
14 u |
17 u |
62 |
(a)
Cost of a notebook
= 13.50 + 3.50
= $17
Total cost of markers and notebooks
= 14 u + 17 u
= 31 u
31 u = 62
1 u = 62 ÷ 31 = 2
Number of notebooks that Jen bought
= 1 u
= 2
(b)
Amount that Jen spent on markers
= 14 u
= 14 x 2
= $28
Answer(s): (a) 2; (b) $28