A marker cost $3.50. A notebook cost $12.50 more than the marker. Shannon spent $92 on such markers and notebooks. She bought twice as many markers as notebooks.
- How many notebooks did Shannon buy?
- How much money did Shannon spend on the markers?
|
Markers |
Notebooks |
Total |
Number |
2 u |
1 u |
|
Value |
3.50 |
16 |
|
Total value |
7 u |
16 u |
92 |
(a)
Cost of a notebook
= 12.50 + 3.50
= $16
Total cost of markers and notebooks
= 7 u + 16 u
= 23 u
23 u = 92
1 u = 92 ÷ 23 = 4
Number of notebooks that Shannon bought
= 1 u
= 4
(b)
Amount that Shannon spent on markers
= 7 u
= 7 x 4
= $28
Answer(s): (a) 4; (b) $28