If tim can paint 2 square feet per minute, how fast can he paint a 10 foot by 8 foot wall? " *
18 minutes
40 minutes
80 minutes
100 minutes
explain how you found your answer

tim's lawn is 20 meters by 30 meters. if tim can mow 8 square meters of grass per minute, how long will it take him to mow the lawn? " *
one hour
one hour and 15 minutes
one hour and a half
one hour and 45 minutes
explain how you found your answer.