Atrain travels 220 miles in 4 hours at a constant rate. what is the constant rate of change for the train in miles per hour?

a. 110 miles per hour

b. 55 miles per hour

c. 330 miles per hour

d. 2 miles per hour

iu

step-by-step explanation:

a

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation: