He has walked 23 miles.
To solve this, you simply need to add all of the distances together.
4 + 4 + 7 + 6 + 2 = 23
Answer:
It's a proportion.
2 is to x as 15 is to 9, or 2/x = 15/9.
Multiply the means and extremes
15x = 18
divide both sides by 15 to get x by itself.
x = 1.2
Step-by-step explanation:
5x-7=2
hope this makes sense
