Juan walked 3 more miles than Rebecca. Rebecca walked 4 times as far as William.

游客2024-01-12 54

问题 Juan walked 3 more miles than Rebecca. Rebecca walked 4 times as far as William. William walked 2 miles. Which of the following mathematical expressions is equivalent to the number of miles Juan walked?

选项 A、3×4×2
B、(2 + 4)× 3
C、4(2)+ 3
D、4 + 3 + 2

答案 4(2)+ 3

解析 To solve this problem, start with William and work backward. William walked 2 miles, and Rebecca walked 4 times as far as William. Therefore, Rebecca walked 4(2)miles. Juan walked 3 more miles than Rebecca, so Juan walked 4(2)+ 3 miles.

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Juan walked 3 more miles than Rebecca. Rebecca walked 4 times as far as William.

________togetthereontime,wewalkedasfastaswecould.A、HopingB、TohopeC

Ahikerwalkedfor3days.Shewalked18milesonthefirstday,walking3miles

Inanexperiment,volunteerswalkedindividuallythroughadark,abandonedtheat

Juanwalked3moremilesthanRebecca.Rebeccawalked4timesasfarasWilliam.

Juanwalked3moremilesthanRebecca.Rebeccawalked4timesasfarasWilliam.

Marieearned$0.75foreverymileshewalkedinacharitywalkathon.Ifsheearn

Rebeccaknewthattofinishherprojectshemustovercomehertendencytoward__

Surprisinglyenough,noneofushaspassedtilefinalexam.It______thatall

A.factB.continuouslyC.ignoreD.whenE.muchF.showsG.prevented

Manyaspecialist______lookingforwardtoattendingthatconferencenowandthe

溃疡性结肠炎常引起（）。A.黏膜破坏 B.肉芽肿形成 C.两者皆有 D.

设计单位在此阶段利用BIM技术的()，可提高专业内和专业间的设计协同效率，减少错

下列关于三七止血的药理作用，错误的是A.增强血小板功能 B.收缩出血局部血

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