Some markers and notebooks were packed into blue and green packets. There were 12 less green packets than blue packets. Each blue carton contained 7 markers and each green carton contained 12 notebooks. Given that there were 11 more notebooks than markers in total, how much notebooks were there?
| |
Markers in
blue packets |
Notebooks in
green packets |
Difference |
| Number |
1 u + 12 |
1 u |
|
| Value |
7 |
12 |
|
| Total value |
7 u + 84 |
12 u |
11 |
Number of more notebooks than markers
= 12 u - (7 u + 84)
= 12 u - 7 u - 84
= 5 u - 84
5 u - 84 = 11
5 u = 84 + 11
5 u = 95
1 u = 95 ÷ 5 = 19
Total number of notebooks
= 12 u
= 12 x 19
= 228
Answer(s): 228
