Question

Annaly runs with a speed of 6.66.6 miles per hour. laurie runs at 7.67.6 miles per hour. they began at the same spot, and started running in opposite directions. after some time, they are 41.1841.18 miles apart. how long have they been running

Answer 1

The speed at which they are separating = 6.6 + 7.6 = 14.2 mph

time = distance / speed  
time = 41.18 / 14.2 =  2.9 miles  answer