2. 外语
  3. While riding a bicycle, a person traveled 5 blocks in 2 minutes. At this rate, how many blocks will the person travel in 16 minu

While riding a bicycle, a person traveled 5 blocks in 2 minutes. At this rate, how many blocks will the person travel in 16 minu

admin2013-05-19  53
问题 While riding a bicycle, a person traveled 5 blocks in 2 minutes. At this rate, how many blocks will the person travel in 16 minutes?
选项 A、8
B、10
C、16
D、32
E、40
答案E
解析 The correct answer is E. You are given that the person traveled 5 blocks in 2 minutes, which means that the distance traveled in 16 minutes can be found using a proportion. If x represents the number of blocks traveled in 16 minutes, then 5/2 = x/16. Cross-multiply and solve for x, as shown below:
5/2=x/16
2x=80
x=40
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