Answer by Kelly
60 Hikers 7 hikers/ 1 boat 60 divided by 7 = 8.4 8 boats have 7 hikers in each. 56 hikers are in the boats. 4 hikers are left so we need one more boat. Answer: 9 boats at the least
Read more... http://questionandanswer.reviewshop.org/beauty/qahow-many-boats-are-needed-to-take-all-the-hikers-across-the-lake-in-one-trip.html
沒有留言:
張貼留言