[問題]天山數學9-14

[aprilc]

Q14

How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards?(1 mile=1160 yards)
A.8
B.9
C.10
D.11
E.12

此題答案是c

我的算式: 22/(45*1160/60*60)
我的算式有錯嗎?

而且,1 mile應該是1760yards,但是若換成1760下去算
得到的答案是1,而非10

煩請解答~~

[Tinamo]

已有前輩討論過囉!
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