Chris walked 5,227 steps on Monday, 6,841 steps on Tuesday, and 4,539 steps on Wednesday. Which most closely estimates the total number of steps Chris walked?

16, 607 steps

Step-by-step explanation:

By simply adding all of these numbers together, 5,227 + 6,841 + 4,539, you would get a grand total of 16,607 steps.

450 miles , $90.5

Step-by-step explanation:

Let d be the miles driven

59 + 0.07d = 50 + 0.09d

d = 450

The two plans cost the same when he drives for 450 miles which the respective cost is 59 + 0.07(450) = $90.5