2. 职称英语
  3. If Jason traveled 30 miles in 6 hours and Becky traveled three times as far in h

If Jason traveled 30 miles in 6 hours and Becky traveled three times as far in h

游客2024-01-12  58
问题 If Jason traveled 30 miles in 6 hours and Becky traveled three times as far in half the time, what was Becky’s average speed, in miles per hour?
选项 A、5
B、15
C、30
D、45
E、90
答案 C
解析 The correct answer is C. You are given that Jason traveled 30 miles in 6 hours and that Becky traveled three times as far in half the time; Becky traveled 30x3 or 90 miles in 6×, or 3 hours. Therefore, Becky traveled 90/3, or 30 miles per hour.
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