A pencil cost $3.50. A notebook cost $15.50 more than the pencil. Vanessa spent $198 on such pencils and notebooks. She bought four times as many pencils as notebooks.
- How many notebooks did Vanessa buy?
- How much money did Vanessa spend on the pencils?
|
Pencils |
Notebooks |
Total |
Number |
4 u |
1 u |
|
Value |
3.50 |
19 |
|
Total value |
14 u |
19 u |
198 |
(a)
Cost of a notebook
= 15.50 + 3.50
= $19
Total cost of pencils and notebooks
= 14 u + 19 u
= 33 u
33 u = 198
1 u = 198 ÷ 33 = 6
Number of notebooks that Vanessa bought
= 1 u
= 6
(b)
Amount that Vanessa spent on pencils
= 14 u
= 14 x 6
= $84
Answer(s): (a) 6; (b) $84