Some pens and notebooks were packed into white and brown bags. There were 10 less brown bags than white bags. Each white carton contained 6 pens and each brown carton contained 20 notebooks. Given that there were 24 more notebooks than pens in total, how much notebooks were there?
| |
Pens in
white bags |
Notebooks in
brown bags |
Difference |
| Number |
1 u + 10 |
1 u |
|
| Value |
6 |
20 |
|
| Total value |
6 u + 60 |
20 u |
24 |
Number of more notebooks than pens
= 20 u - (6 u + 60)
= 20 u - 6 u - 60
= 14 u - 60
14 u - 60 = 24
14 u = 60 + 24
14 u = 84
1 u = 84 ÷ 14 = 6
Total number of notebooks
= 20 u
= 20 x 6
= 120
Answer(s): 120
