Machines 2

Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!

Next similar math problems:

1. Two looms
   On two different looms with different performance can be make required quantity of textile in 6 hours when both work together. On the first machine this quantity of the textile can make in 10 hours. How long should take make same quantity of textile on a
2. Three people
   Three people start doing a work at a same time. The first worked only 2 hours. The second ended 3 hours before the end. On an individual basis, it would take the first time to do the work 10 hours, second 12 hours and 15 hours third. How many hours did it
3. Novak
   Novak needed to dig up three of the same pit in the garden. The first pit dug father alone for 15 hours. His second dig son helped him and it did that in six hours. The third pit dug son himself. How long it took him?
4. Workers 2
   Worker dug the trench for 7 hours, another worker for 10 hours. They recruited to work even one worker more. Digging should be done for 2 hours. For how long would dig third worker alone?
5. Trucks
   Truck take you the some amount of clay in 30 hours. Second truck in 40 hours. Trucks carted the clay away some time together then the second truck broke down and the first one completed the job in five hours. What time worked together?
6. Two tributaries
   Two tributaries of the pool fill it in 10 hours. One of the tributaries would fill 15 hours. How long would fill the first tributary?
7. Working together on project
   Two employees working on the project. First make it alone for 20 days the second for 24 days. How many days will take to complete project if 5 days they work together then first will take two days holiday and after returning they completes a project toge
8. Dwarfs
   Four dwarfs would prepare firewood for Snow White in580 minutes. After an hour and a half they recruit friends so that finished preparing the wood for 280 minutes. How many dwarfs they recruited?
9. Candy
   Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
10. Mom and daughter
    Mother is 39 years old. Her daughter is 15 years. For many years will mother be four times older than the daughter?
11. Insulation
    Two workers insulate the house in 5 days. After the first day of working together, only one worker continue to cover the house. In how many days will the house be insulated if every worker has the same tempo of work?
12. Two workers
    Two workers together execute some work in 10 days. The first worker would have done himself in 20 days. How many days would have done himself a second worker?
13. Unknown number
    Identify unknown number which 1/5 is 40 greater than one tenth of that number.
14. Simple equation
    Solve for x: 3(x + 2) = x - 18
15. Six years
    In six years Jan will be twice as old as he was six years ago. How old is he?
16. Walnuts
    x walnuts were in the mission. Dano took 1/4 of nuts Michael took 1/8 from the rest and John took 34 nuts. It stayed here 29 nuts. Determine the original number of nuts.
17. Liters od milk
    The cylinder-shaped container contains 80 liters of milk. Milk level is 45 cm. How much milk will in the container, if level raise to height 72 cm?