Work to get full credit for each problem.
1. two families meet at a park for a picnic. at the end of the day, they part ways. family a leaves 15
minutes after family b and travels east at an average speed of 42 mph; while, family b travels west at
an average speed of 50 mph. both families have approximately 160 miles to travel.
find the time (in hours and minutes) that it takes for them to be 120 miles apart.