Three children

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Next similar math problems:

1. Holidays - on pool
   Children's tickets to the swimming pool stands x € for an adult is € 2 more expensive. There was m children in the swimming pool and adults three times less. How many euros make treasurer for pool entry?
2. Three painters
   The three painters have painted bridge. The first would work done in 5 days, the second in 6 days, and the third in 7.5 days. How long will the bridge work if they work together?
3. Soldier
   An experienced soldier digs a good trench in 30 hours. Two soldiers dug the same trench each 40 hours. How many hours will the ditch dig all three together?
4. Painters
   One painter could paint a school for 7 days. The second one for 6 days. It was necessary to paint the school in two days. Next painter was invited and all worked together. How long would this painter painted the school itself?
5. Workers 9
   If two workers fix two windows in an hour how many windows can 18 workers fix in the same two windows?
6. 12 Moons
   Good Marry came to ask twelve moons for help with collecting strawberries. All twelve moons 1200 strawberries picked in 20 minutes. But lazy months July and August cease tear after 5 minutes. How many minutes in total will take collect strawberries?
7. Workers
   Two workers will construct the stage at the festival in 54 hours. Organizers need to shorten the assembly time by 42 hours. How many workers must the assembly company send?
8. Masons
   1 mason casts 30.8 meters square in 8 hours. How long casts 4 masons 178 meters square?
9. Apprentice
   Worker and apprentice execute the work for 6 hours. Worker performs himself in 10 hours. How long do the work of an apprentice?
10. Greg and Bill
    Greg is 18 years old. He is 6 less than 4 times Bill's age. How old is Bill?
11. Welders
    Welder do the job for six hours, the second one for 8 hours. How long do the job third welder if all together can do job in 2 hours?
12. 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?
13. 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
14. 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?
15. Hectoliters of water
    The pool has a total of 126 hectoliters of water. The first pump draws 2.1 liters of water per second. A second pump pumps 3.5 liters of water per second. How long will it take both pumps to drain four-fifths of the water at the same time?
16. 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?
17. Simplify 2
    Simplify expression: 5ab-7+3ba-9