Jamila and Marcus are delivering newspapers. If Jamila delivers 20 papers in one hour and Marcus delivers 200 papers in four hours, how long will it take both of them working together to deliver 2000 newspapers? (Critically thinking)

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.

step-by-step explanation:

answer: 819.89 miles across america

step-by-step explanation: