If Bob produces 36 or fewer in a week, he is paid X dollars per item. If Bob produces more than 36 items, he is paid X dollars per item for the first 36 items, and 3/2 times that amount for each additional item. How many items did Bob produce last week?
1). Last week Bob was paid total of $480 for the items that he produced that week.
2). This week produced 2 items more than last week and was paid a total of $510 for the item that he produced this week.