我的暑期作業（數學）是英文的，請幫我翻譯

1.There is 2 m3 of water inthe tank of capacity 10 m3 . 5 m3 of water is added
into the tank.
(a)What percentage of the tank is filled with water?
(b) If 4 L of water is further added into the tank, what is the volume of water in
the tank?
(c)What percentage of the tank is filled with water finally?
一個10立方米的水缸裝了2立方米的水，後來再裝了5立方米的水。
(a)求水佔水缸的百分比。
(b)如果我們再裝4公升的水，水缸的水的體積是多少？
(c)求水佔水缸最終的百分比。
2. There are 20 bags of coins in total. 12 bags contain 20 $1-coins each and the
rest contain 10 $5-coins each.
(a)How many $1-coins are there?
(b)How many $5-coins are there?
(c)What percentage of the coins are $1-coins?
(d)What percentage of the total value of the coins is the value of $1-coins?
20個袋中，有12個袋每個包含20個1元硬幣，其餘的每個包含10個5元硬幣。
(a)求1元硬幣的數量。
(b)求5元硬幣的數量。
(c)求1元硬幣佔有的百分比。
(d)求所有1元硬幣的總值佔全部硬幣的總值的百分比。

Yahoo 字典 is easy to use, please try. No pain, no gain.