Paul drove m miles in h hours; Michelle drove the same distance in 1/2 an hour l

游客2024-01-12 44

问题 Paul drove m miles in h hours; Michelle drove the same distance in 1/2 an hour less. How fast, in miles per hour, did Michelle drive?

选项 A、
B、
C、
D、
E、

答案 E

解析

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