Question

The fastest on the farm flies at a unit rate of 80 miles per hour. At this rate, how far will she fly in 4 hours?

Answer 1

Multiply 80 miles by 4 hours to get 320 miles for 4 hours. 

Answer 2

she would fly 320 miles per hour because add 80 4 times in 4 hours and u get 320 miles per hour