700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

The rate is 140 miles per hour

Step-by-step explanation:

We can use the formula distance is equal to rate times time

The distance is 700 miles and the time is 5 hours

D =rt

700 = r*5

Divide each side by 5

700/5 = 5r/5

140 =r

The rate is 140 miles per hour

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.