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[請問] 一題國中數學= ="
Jan 13th 2014, 09:28, by Keelunger

A、B兩地相距56公里,甲、乙、丙三人同時從A出發到B,甲騎自行車時速16公里,

乙丙步行時速4公里,若甲先載乙,丙自己步行,當甲乙超過丙一段距離,乙下車步行,

甲再回去接丙,接上後繼續朝B前進,三人同時到B,求乙下車時比丙多前進幾公里?
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