[問題] 跪求兩題計量解惑(皆與百分比有關)謝謝!
哈囉 大家
碰到兩題計量算了好幾遍答案仍相差十萬八千里
還望大家不吝指教
謝謝:)
1. 1970:24.6%
1971:27.5%
What was the approximate percent increase in nationawide subscriptions to newsmagazines between 1970 and 1971?
answer:51%
2.At Megalomania Industries, factory workers were paid $20 per hour in1990 and
10$ per hour in 2000. The CEO of Megalomania Industries was paid $5 million
per year in1990 and $50 million per year in 2000. The percent increase in the
pay of Megalomania’s CEO from 1990 to 2000 was what percent greater than the
percent decrease in the hourly pay of Megalomania’s factory workers over the
same period?
答案是950%
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