A notebook cost $3.50. A stapler cost $13.50 more than the notebook. Wendy spent $248 on such notebooks and staplers. She bought four times as many notebooks as staplers.
- How many staplers did Wendy buy?
- How much money did Wendy spend on the notebooks?
|
Notebooks |
Staplers |
Total |
Number |
4 u |
1 u |
|
Value |
3.50 |
17 |
|
Total value |
14 u |
17 u |
248 |
(a)
Cost of a stapler
= 13.50 + 3.50
= $17
Total cost of notebooks and staplers
= 14 u + 17 u
= 31 u
31 u = 248
1 u = 248 ÷ 31 = 8
Number of staplers that Wendy bought
= 1 u
= 8
(b)
Amount that Wendy spent on notebooks
= 14 u
= 14 x 8
= $112
Answer(s): (a) 8; (b) $112