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