The chart below shows the number of miles Sam drove each day for two weeks. What is the approximate difference in average daily miles between the two weeks?
A. 96
B. 48
C.34
D.24

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

i think da answer is

d.square root of 3