题库搜索>问题求解PS-13322
Of the families in City X in 1994, 40 percent owned a personal computer. The number of families in City X owning a computer in 1998 was 30 percent greater than it was in 1994, and the total number of families in City X was 4 percent greater in 1998 than it was in 1994. What percent of the families in City X owned a personal computer in 1998 ?
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X: 1994 40%x有个人电脑
X: 1998 （1+30%）40%x
X: 1998 一共有（1+4%）x 人
所以最后应该是:1998年拥有电脑的人：13/25x
1998年一共有的人数是：25/26x
两数相除：1/2
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