Horse Trade

Riddle: A man buys a horse for $60. He sells the horse for $70. He then buys the horse back for $80. And he sells the horse again for $80. How much profit did he make?

Answer: $20.

Source: https://www.riddles.com/6742

A man buys a horse for $60. He sells the horse for $70. He then buys the horse back for $80. And he sells the horse again for $80. How much profit did he make? — Horse trade by Kyler Grissom v1.

Riddle: A man buys a horse for $60. He sells the horse for $70. He then buys the horse back for $80. And he sells the horse again for $80. How much profit did he make? Answer: $20. — by Kyler Grissom v2.