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I reach my office 40 minutes late if I walk from my house at the speed of three km/houshall be 30 minutes early if I walk at the speed of 4 km/hour. Find the distance betwmyhouse and the office in km.(a) 11 km(b) 12 km(C) 13 km(d) 14 km |
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Answer» Step-by-step EXPLANATION: |
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