The table below show the pounds of candy a company sold in the months leading up to October.
Month | Pounds of Candy Sold |
June | 174 |
July | 156 |
August | 175 |
September | 151 |
| 656 |
In October they sold 2 times as many pounds of candy as they did in the previous 4 months combined. How many more pounds did they sell in October than were sold in the previous 4 months?