725/(625+825) = 1/2
So, at 3:30 they will be 725km apart
Two jets leave Marble Airport at 3 pm, one traveling east and the other traveling west. The westbound jet averages 625km/h and the eastbound jet averages 825 km/h.
At what time will the jets be 725 km apart?
2 answers
Is it am or pm?