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

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?

______3×4×2

______(2+4)×3

______4(2)+3

______4+3+2

请帮忙给出正确答案和分析,谢谢!

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  • 提问人:00****89
  • 发布时间:2018-07-20

2018-07-20 06:25   

正确答案: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.
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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