頭あたま割わり

noun

splitting equally; sharing equally

Used for dividing costs, profits, or other amounts evenly among participants, often on a per-person basis.

• 飲のみ会かいの費ひ用ようは頭あたま割わりにしましょう。

  Let's split the cost of the drinking party equally.

• 利り益えきは全ぜん員いんで頭あたま割わりにした。

  We divided the profits equally among everyone.