The answer is A but can someone explain why with the math typed out ? David has five lawns to mow on Monday.
The first lawn is 20 ft by 30 ft. The second lawn
is 200 ft by 45 ft. The third yard is 50 ft by 50 ft.
The fourth yard is 90 ft by 60 ft. The fifth yard
is 150 ft by 95 ft. He can mow 240 ft severy
minute.
Approximately how long will it take him to mow all five lawns?
A. 2 hours and 12 minutes
B. 2 hours and 20 minutes
C. 1 hour and 9 minutes
D. 6 hours and 58 minutes