GRE考试

【单选题】Paul drove m miles in h hours; Michelle drove the same distance in
an hour less. How fast, in miles per hour, did Michelle drive


网考网参考答案：E
网考网解析：
Michelle drove m miles in h -[*] hours. Since [*], to find her rate, we divide the distance, m, by the time, [*]: [*] **Use TACTIC 2, Chapter 11. If Paul drove 20 miles in 2 hours, Michelle drove 20 miles in [*] hours. So Michelle drove at [*] miles per hour. Only [*] when m=20 and h=2. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>