Answer:
D) 3.28
Step-by-step explanation:
820/x=100/2.5
(820/x)*x=(100/2.5)*x - we multiply both sides of the equation by x
820=40*x - we divide both sides of the equation by (40) to get x
820/40=x
20.5=x
x=20.5
now we have:
2.5% of 820=20.5

cannot be changed to a mixed number. 10 could divide both numerator and denominator. And you get 2.
The answer is 3. 4 because 4 doesn’t have a variable :)
The answer to the question
Vehicle B need fewer repairs on average, but the number of repairs per vehicle has greater variation