Answer:
D. 41 races
Explanation:
We can use the equation:
Number of races per year = Total number of races / Number of years
In this case, the total number of races is 287 and the number of years is 7.
Plugging in the values:
Number of races per year = 287 / 7
Number of races per year = 41
So, Laurie won 41 races each year. The answer is D) 41 races