Master and apprentice

Master painted the roof in 3 hours and apprentice for 4 hours. How many of roof they painted in hour and how many in three quarters of an hour?

Result

x = 7/12
y = 7/16

Step-by-step explanation:

$x=1\mathrm{/}3+1\mathrm{/}4=7\mathrm{/}12$

$y=3\mathrm{/}4x=3\mathrm{/}4\cdot 7\mathrm{/}12=7\mathrm{/}16$

Try another example

Related math problems and questions:

• Ingrid
  Ingrid watched television for 2 1/4 hours, and Devon watched for 3 2/3 hours. For how many hours did they watch television in total?
• All tasks - taskman
  Skilled workshop master washes client car 1/5 hour, cleaned the client's car in 5/4 hour, and painted small defects on car 1 1/3 hour. How long did it take him to do all the necessary work tasks?
• Apprentice
  Worker and apprentice execute the work for 6 hours. The worker performs himself in 10 hours. How long do the work of an apprentice?
• Painting
  Jožko with Fero painted the bench for four hours. How many hours would take work if four friends help him?
• Hours 3
  How many hours are in 3 2/3 days?
• Video game
  Nicole is playing a video game where each round lasts 7/12 of an hour. She has scheduled 3 3/4 hours to play the game. How many rounds can Nicole play?
• Monica 3
  Monica works on her drawings for 2 hours. She spends 1/6 hour on each drawing. How many drawings does she work on in 2 hours?
• Pumps
  6 pump fills the tank for 3 and a half days. How long will fill the tank 7 equally powerful pumps?
• The boy
  The boy scouts spent 10/12 hour doing their daily exercises. They only used 1/4 hour in hiking. How much time did they use for other body exercises?
• Alice 2
  Alice is swimming 2.5 hours every Saturday and 3.5 hours every Sunday. How many hours does she swim in 4 weeks?
• Grocery store
  You spend 4/5 of an hour at the mall. You spend 1/3 of that time in the food court. How many minutes are you in the food court?
• Walking
  Lucie can walk about 3 4/5 miles each hour. How far can she walk in 2 hours 45 minutes?
• Cycling
  Cyclist goes on a trip. First, drove 4 hours average speed 44 kilometers per hour, then slowed down and another 4 hours driving a speed 36 kilometers per hour. How many total kilometers cycling?
• Forestry workers
  In the forest is employed 56 laborers planting trees in nurseries. For 8 hour work day would end job in 37 days. After 16 days, 9 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 10 hours a day?
• Fitness center
  Every Wednesday, Monica works out for 3/4  of an hour at the fitness center. Every Saturday, he goes to the fitness center again and exercises for 3 times as long. How much time does Wayne spend at the fitness center in all each week?
• Nicolas
  Nicolas and his father can repair one desk in 1/3 hour. How many desks can they repair in 3 hours?
• 5 2/5
  5 2/5 hours a week  mathematics,  3 3/4 hours a week   Natural sciences, 4 3/8 hours a week  Technology . how many hours does  he spend on social sciences if he spend 17 1/2 hours a week for the four subject?