A women walking at 7 Kmph reaches her office 8 minutes late. If she walks at 9 Kmph, she reaches there 8 minutes earlier. How far is the office from her house?	Choose the correct choice:	A) 2 1/5 Km	B) 3 2/5 Km	C) 4 1/3 Km	D) 8 Km	E) 8 2/5 Km
Formula = S1*S2/S2-S1 * T1+T2/60   = 7*9/2 * 16/60   = 63/2 * 16/60   = 8 * 2/5   8 2/5 Km
<result>E</result>
A women walking at 7 Kmph reaches her office 8 minutes late. If she walks at 9 Kmph, she reaches there 8 minutes earlier. How far is the office from her house?