Ebonie ran 80 feet in 20 seconds. Trinidi ran 60 feet in 12 seconds. Ebonie and Trinidi both moved at a constant speed. Which answer choice below is true will mark brainliest

Step-by-step explanation:

In 20 seconds, Ebonie ran 80 feet

In 1 second,. Ebonie ran. 80/20 feet

= 4 feet

so, Ebonie 's speed is 4 ft/sec.

and

In 12 seconds , Trinidi ran 60 ft

In 1 second,. she ran 60/12

= 5 ft

so , Trinity's speed is 5ft/ sec

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,