If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?

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问题 If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?

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答案6

解析根据two typists can type two pages in two minutes可算出1个打字员1分钟可以打0．5张，设打字员人数为x，根据题意可列出等式O．5x×6=18。

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