问题标题:
SAT数学题一道Ahikingtrailis19mileslong.Thereisamarketatthestartofthetrailandamarkerevery2.5miles.Thereisarestareaatthestartofthetrailandarestareaevery6miles.Whatistheradioofthenumberofmarketstothe
问题描述:
SAT数学题一道
Ahikingtrailis19mileslong.Thereisamarketatthestartofthetrailandamarkerevery2.5miles.Thereisarestareaatthestartofthetrailandarestareaevery6miles.Whatistheradioofthenumberofmarketstothenumberofrestareasontheentiretrail?
1,为什么?
孙钦善回答:
thenumberofmarkets19/2.5约等于6
thenumberofrestareas19/6约等于3
所以6/3=2:1
林心南回答:
19/2.5Լ����7��
孙钦善回答:
������Լ����,Ҫ����ȡ����....
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