Subject: mathqa
Question: the length and breadth of a rectangular courtyard is 75 m and 32 m . find the cost of leveling it at the rate of $ 3 per m 2 . also , find the distance covered by a boy to take 4 rounds of the courtyard .
Option: 
A: 3573
B: 7000
C: 3455
D: 7200
Answer: D