80/20=4. 4x4=16. 16 weeks for an 80 wall painting
We need 2880 person-hours and we have 12 people.
When we divide the work between them: 2880/12 = 240 hours required to complete.
46 students like baseball.
40 students like tennis.
46 - 40 = 6 more students like baseball than tennis
Already in simplest form (0.562963)
The LCM of 6 and 14 would be 42.
