Simple division..
3000/300 = 10
so 3000 is 10 times bigger then 300
Energy is the correct answer
Answer:
x = 30
Step-by-step explanation:
Put in proportions
= 
Cross multiply and get 27x = 45 x 18
OR...
27x = 810.
THEN...
divide by 27 on both sides to get 30
x = 30
You would run 2.5/3 miles or .833 miles