Book Of Tickets
Train Tickets
noun
Many times is how many times you can use this number of tickets. That means there are many tickets, making this a book of tickets.
回数券 refers to a book or set of prepaid tickets that are often sold at a discount and can either be physical or digital. They are commonly used for public transportation, like buses or trains, and can also be issued by other businesses that people frequent, such as hot springs and public baths.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
回数券だと、どれくらい安くなりますか？
How much cheaper is a book of tickets?
大人の回数券は、6枚つづりで2,050円です。
An adult set comes with six tickets and it costs 2,050 yen.
電車の回数券は金券ショップでも買えますよ。
You can also buy a book of train tickets from a ticket outlet.