這個多少錢？
譯文：How much is this?
估算一下你一共有多少錢，看是否已經足夠了。
譯文：Reckon up all your money and see if you have enough.
How much和How many的區別：
how many：用來修飾可數名詞的復數,它的句式是:How many+復數名詞+一般疑問句＋?
例句：
1、how much is this dress?
譯文：這個連衣裙多少錢？
2、how much are these desks?
譯文：這些桌子多少錢？
how much：用來修飾不可數名詞,表示數量,也可單獨使用。
例句：
1、How many apples do you have?
譯文：你有多少蘋果？
2、How many days are there in a year?
譯文：一年有多少天？