Q12. When n liters of fuel was added to a tank that was already 1/3
full, the tank was filled to 7/9 of its capacity. In terms of n, what
is the capacity of the tank, in liters?
a. 10/9 n
b. 4/3 n
c. 3/2 n
d. 9/4 n
e. 7/3 n
那位好心帮忙开导， 开导我。谢了。作者: conquer 时间: 2005-6-25 16:07
设the capacity of the tanker is x liters.
1/3 x + n = 7/9 x
x=9/4 n
选D。
作者: LHL888 时间: 2005-6-26 08:02
顶！！！！
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