Canada goose travels 120 miles
Blue heron travels 80 miles
What is the difference between the distance traveled?
120 - 80 = 40 miles
Divide this distance by 10 mph or 40/10mph
Difference of speed being 10 mph means the birds flew 4 hours
Divide each number of miles by 4 to get the mph
120/4 = speed of the Canada goose
80/4 = speed of the blue heron