by how well things can work o

if you took one tenth of the energy you put into complaining and applied it to solving problems,you'd be surprised by how well things can work out.
質問① put into＝〜に注ぐ、解釈でいいのでしょうか？辞書を見ても、入港する、という意味しかなかったのですが
質問② can work out のここでのcan の意味とwork out の意味を教えてくださいおねがいします