► 名詞
幾つ [(1)いくつ] [coll] meaning: how many rank: 1
☆ いくつになったら自活するつもりだ? ⇨ How old do you have to be to live on your own?
☆ いくつ必要なの? ⇨ How many do you need?
☆ 娘さんはおいくつで? ⇨ How old is your daughter?
☆ 彼女はいくつになっても綺麗だ ⇨ She is beautiful no matter how old she gets
► 接頭辞
何 [(1)なん] meaning: how many rank: 1
☆ レースは何周ですか? (なんしゅう) ⇨ How many laps are there in the race? (☛ Always precedes a counting word)
☆ 何個必要? (なんこ) ⇨ How many do we need? (☛ Always precedes a counting word)