For this problem, all you have to do is divide 456 by 12.
456 / 12 = 38
Jodi's car got 38 miles per gallon.
Hope this helps you!
Answer:
standard deviation=2.94
s =6
Step-by-step explanation:
40 8
--------- = ---------
30 s
Using cross products
40*s = 30*8
40s = 240
Divide each side by 40
40s/40 = 240/40
s = 6
substitute 12 for x in the equation
multiply 68 by 12 months
