The others don’t make any sense so it has to be “A”.
Answer:

Step-by-step explanation:
Given Data:
Length of rectangle = L =
------->(Equation 1)
Area of rectangle = A =
square inches ------->(Equation 2)
To find out:
Width of rectangle = W = ?
Formula:
Area = A = L×W

Solution:


For complete division check the attached image.
inches
On the 21st day, he sprints 205 yards.
Is that what you meant for the problem
or do u want to know how many yards he sprinted total for the 21 days
If it is,
he sprinted a total of 3390 yards