The price of onions is shown below for every fifteen days. Find the price in Feb. 3rd week.
|
Duration |
December First week |
December Third week |
January First week |
January Third week |
February First week |
February Third week |
|
Price |
20 |
60 |
40 |
120 |
100 |
? |
1
140
2
300
3
180
4
320