Leutrim is at the grocery store. He is mentally adding up the cost of his items. Leutrim is using memory to maintain and manipulate this information.

working memory

Explanation:

The Working memory is a Short-term (recent) memory or some sort of temporary memory. It's a system that stores information for temporary use; use that involves managing the information required to carry out complex cognitive tasks such as learning, reasoning, and comprehension such as in the case of leutrim above who has to quickly calculate his expenses in the grocery store and quickly makes use of item prices(information) for items he is buying.

Working

Explanation:

Leutrim is at the grocery store. He is mentally adding up the cost of his items. Leutrim is using working memory to maintain and manipulate this information. Working Memory is the thinking skill that focuses on memory-in-action, therefore, leutrim was remembering and using relevant information while in the middle of an activity.

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.