Translation of "Manageable" in Japanese

It's down to a manageable 22. This elephant family must find drinking water before the sun returns.

‎22度なら快適だ ‎ゾウの家族は日の出前に ‎水にありつきたい

- Memorising the cards in a deck in order is certainly a difficult task, but manageable.
- Memorizing the order of a deck of playing cards is definitely not easy, but it's not impossible.

積み重ねられたトランプカードの並びの順番をしっかりと覚えることは、決して簡単なことではないが、しかしできないことでもない。