The answer is D because all the rest of the statments are untrue. d is also right because 4 people walked 3-5 miles and 3 people walked 6-8 miles and as you know, 3+4=7
Answer:

Step-by-step explanation:
add green and yellow which is 10 over the whole thing which is 23
4x + 10y
Hope it’s right
Best luck with your studying
Answer:
D, E, F, C,
Step-by-step explanation:
Answer:
Let x, y be the two numbers under consideration. Then, x+y<2 and x-y>1.