how many posts must the rancher use?
A rancher is constructing a fence by stringing wire between posts 20 feet apart. If the fence is 400 feet long, how many posts must the rancher use? 18 &
本文最后更新时间： 2023-04-29 15:50:25
A rancher is constructing a fence by stringing wire between posts 20 feet apart. If the fence is 400 feet long, how many posts must the rancher use?
18 – 19 – 20 – 21
答案：21根，用400除以20，再加上第一根木桩就是正确的答案。
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