Frank can mow lawns at a constant rate of

6/5
lawns per hour. How many lawns can Frank mow in 50 hours?

To find out how many lawns Frank can mow in 50 hours, we need to multiply his mowing rate by the number of hours worked.

Frank can mow 6/5 lawns per hour.

To find out how many lawns Frank can mow in 50 hours, we multiply his mowing rate by the number of hours:

(6/5) * 50 = 300/5 = 60.

Therefore, Frank can mow 60 lawns in 50 hours.