Question

Danielle drives from her home to the store at an average speed of 40 miles per hour. She returns home along the same route at an average of 60 miles per hour. What is her average speed, in miles per hour, for the entire trip

Answer 1

she drove 40 mph & 60 mph

60 +40 = 100

100/2 = 50

 so she drove an average of 50 mph