Some files and notebooks were packed into yellow and green packets. There were 5 less green packets than yellow packets. Each yellow carton contained 10 files and each green carton contained 17 notebooks. Given that there were 27 more notebooks than files in total, how much notebooks were there?
| |
Files in
yellow packets |
Notebooks in
green packets |
Difference |
| Number |
1 u + 5 |
1 u |
|
| Value |
10 |
17 |
|
| Total value |
10 u + 50 |
17 u |
27 |
Number of more notebooks than files
= 17 u - (10 u + 50)
= 17 u - 10 u - 50
= 7 u - 50
7 u - 50 = 27
7 u = 50 + 27
7 u = 77
1 u = 77 ÷ 7 = 11
Total number of notebooks
= 17 u
= 17 x 11
= 187
Answer(s): 187
