OG11Problem solving第129题读不明白，谁给翻译一下？

jessiesi

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

答案是284/12.5 and 295/11.4

题读不懂，牛牛给翻译一下吧

maozhichao

就是四舍五入的意思，一个近似到十位，一个近似到小数点后一位，所以就是上面的答案。

jessiesi

明白了，感谢！