Last Monday, 279 adults and 160 children visited the park. (c) What was the least possible amount that was taken in ticket sales last Monday?

438 tickets.

Explanation:

To visit the park , everyone has to take the ticket.

As given, 279 adults and 160 children visited the park

So total possible amount of ticket sold  = 278 + 160 = 438

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.