During reconstruction, most african american families in the south
1. moved to southern cities, where they worked as skilled laborers
2. benefited from sherman's plan to give or sell land to freed people
3. remained in rural areas, where they worked at jobs such as lumbering or farming
4. migrated to work on the construction of railroads across the nation

The correct answer is number 3. Remained in rural areas where they worked in jobs such as lumbering and farming.

During Reconstruction, most African American’s families in the South remained in rural areas where they worked in jobs such as lumbering and farming.

African American families were very poor. During the reconstruction, they stayed in the rural areas where they lived. Money was short and opportunities were scarce. During the Reconstruction period, they remained in the rural areas working in the field harvesting the crops or as lumberjacks in the Woods. They did not receive any education and poor they were, there were not many opportunities for them.  

ok, so basically your gonna start with 350 ok. so there's 60 seconds in a minute so that means you he can go up 10 ft per minute. soo, after 3 minutes he should be at 260 ft after three minutes : )