Which would be the best name for a function that takes the size of an engine and returns the maximum speed of a car? Answer Choices: Size(speed), Engine(speed), Speed(size), Time(speed)

please help no one else is helping

Step-by-step explanation:

A train traveled at a constant speed for six hours and traveled a distance of 408 miles. What is the best estimate of the number of miles the train could travel in 2.5 hours? *

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.