[求助]PP-2-98

i92 · 发表于 2008-2-20 11:45:00

An athlete runs R miles in H hours, then rides a bicycle Q miles in the same number of hours. Which of the following represents the athlete's average speed, in miles per hour, for these two activities combined?

请问这题怎么列式

heslaw · 发表于 2008-2-20 13:16:00

(R+Q)/(2H)

i92 · 发表于 2008-2-20 14:41:00

Thanks heslaw

[求助]PP-2-98

[求助]PP-2-98

所属分类: GMAT考试

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