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求教一道SAT的数学题:Foradogthatweighswpoundsandisxincheslongtoqualifyforacertaincompetition,thedifferencebetweenwand1.5xcanbenomorethan5.Ifadogwithlength24inchesqualifiesforthecompetition,whatisonepo

更新时间:2024-04-19 07:37:23
问题描述:

求教一道SAT的数学题:

Foradogthatweighswpoundsandisxincheslongtoqualifyforacertaincompetition,thedifferencebetweenwand1.5xcanbenomorethan5.Ifadogwithlength24inchesqualifiesforthecompetition,whatisonepossibleweight,inpounds,ofthisdog?

疑问:我答案求对了,但是我看SAT官方提供的参考答案是31

李子木回答:

  differencebetweenwand1.5x没有说谁是被减数,w-1.5x

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