One hour before John started walking from P to Q, a distance of 13 miles, Ann had started walking along the same road from Q to P. Ann walked at a constant speed of 3 miles per hour and John at 2 miles per hour. How many miles had Ann walked when they met?	Options
A) 6 miles  B) 8,4 miles  C) 9 miles  D) 9,6 miles  E) 12 miles
Ann walks from Q to P at a speed of 3 miles/hr for one hour. She covers 3 miles in 1 hour and now distance between John and Ann is   13 - 3= 
<gadget id="calculator">  13 - 3</gadget>
<output>10</output>
10 miles.   Ann walks at 3 mph and John at 2 mph so their relative speed is   3+2= 
<gadget id="calculator">  3+2</gadget>
<output>5</output>
5 mph.   They have to cover 10 miles so it will take them  10/5= 
<gadget id="calculator"> 10/5</gadget>
<output>2</output>
2 hours to meet.   In 2 hrs, Ann would have covered 2 hrs * 3 miles per hour= 6 miles.   Adding this to the 3 miles she covered before John, Ann covered a total of 3 + 6= 
<gadget id="calculator">3 + 6</gadget>
<output>9</output>
9 miles.   Answer (9 miles)
<result>C</result>
One hour before John started walking from P to Q, a distance of 13 miles, Ann had started walking along the same road from Q to P. Ann walked at a constant speed of 3 miles per hour and John at 2 miles per hour. How many miles had Ann walked when they met?