Steven has 7 tenth of an hour to water 3 and 1/2 more lawns. If he spend the same amount of time in each lawn, what fraction of an hour does he have to water the lawn?
One tenth of an hour is 6. Making 7 tenths, 42. So he has 42 minutes to water the lawns. Next, you would divide 42 by 3.5 to equal 12. Therefore he has 12 minutes to water each lawn. 12 minutes is 1/5 of an hour as 12 goes into 60, 5 times.