Stuck on this, can't figure out the formula

CENGAGE MINDTAP Q Search this course Module Two Quiz 4. Production Possibility Frontier An economy consists of three workers: Hubert, Manuel, and Shen. Each works 10 hours a day and can produce two services: mowing lawns and washing cars. In an hour, Hubert can either mow 1 lawn or wash 1 car; Manuel can either mow 1 lawn or wash 2 cars; and Shen can either mow 2 lawns or wash 1 car. For each of the scenarios listed in the following table, determine how many lawns will be mowed and how many cars will be washed per day and enter these values into the corresponding row. Scenario Lawns Mowed Cars Washed All three spend all their time mowing lawns. (A) 10 X 10 All three spend all their time washing cars. (B) 0 10 X All three spend half their time on each activity. (C) 5 X 5 X Hubert spends half his time on each activity, while Manuel only washes cars and Shen only 10 X 10 X mows lawns. (D) Points: 0.25 / 1