Which situation could be represented by the equation 32.4 = 8.1x?
A. An athlete swam 32.4 miles. It took the athlete 8.1 minutes to swim each mile. What is x, the total number of minutes the athlete swam?
B. An athlete swam 32.4 miles on Friday. The athlete swam 8.1 miles on Saturday. What is x, the total amount of miles the athlete swam on Friday and Saturday?
C. An athlete swam 32.4 miles. On Monday, the athlete swam 8.1 miles and the rest on Tuesday. What is x, the number of miles the athlete swam on Tuesday?
D. An athlete swam a total of 32.4 miles. The athlete swam 8.1 miles every day. What is x, the number of days the athlete swam?