我都不好意思问,但是这题明显错了。麻烦大家花10秒钟看一眼!
On a recent trip, Cindy drove her car 290 miles, rounded to the nearest 10 miles, and used 12 gallons of gasoline, rounded to the nearest gallon. The actual number of miles per gallon that Cindy's car got on this trip must have been between
给的答案是(D)284/12.5 and 295/11.4
这题答案应该是285/12.4 and 294/11.5吧?但没这个选项阿?
OG怎能犯这种错误?
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四舍五入284怎么能到290?295怎么能到290?
求求大家给个解释吧!
请问楼上是什么意思?因为D包含了我给的答案,所以就是正确答案吗?
四舍五入是这样的?没听说过阿?
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