[問題]請教一題

[Lucy Tsai]

If 3 cars have traveled a total of 180,000 miles and the distance traveled by each car differs by at least 1 mile from the distance traveled by either of the other 2 cars, what is the minimum possible number of miles traved by the car with the most mileage?(Ans: 60,001)

我題目也看不太懂
麻煩幫我解一下,謝謝

[pri]

三台車共開180000 mile, 任兩台所開距離的差距大於1 mile, 求, 開最長距離的那台, 它最少必須開幾 mile,
A. 59999+60000+60001=180000, 所以最少是60001