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  • SAT數(shù)學題一道

    SAT數(shù)學題一道
    A hiking trail is 19 miles long.There is a market at the start of the trail and a marker every 2.5 miles.There is a rest area at the start of the trail and a rest area every 6 miles.What is the radio of the number of markets to the number of rest areas on the entire trail?
    1,為什么?
    英語人氣:561 ℃時間:2020-05-08 18:11:14
    優(yōu)質(zhì)解答
    the number of markets 19 /2.5 約等于 6
    the number of rest areas 19 /6 約等于3
    所以 6/3 =2:119/2.5 ?????7?????????????, ??????????....
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