How much are they altogether?

它们一共多少钱？

How much are they? ------ They're three yuan.

它们多少钱?它们三元钱。

How much are they charging for admission?

他们的入场券要多少钱？

MIQIKO:Oh, I like those. How much are they?

美幸子：噢，我喜欢那双鞋。多少钱一双?。

How much are they going to pay for the tickets altogether?

他们总共要花多少钱买这些票？

Now, how much are they doing it? How many blank CDs were sold in this country alone in the calendar year 2000?

大家做了多少呢？在2000年，仅仅在美国，空白光盘卖了多少呢？