Work + simple proportion - practice problems
Number of problems found: 91
- A ration
108 kg of ration is sufficient for 18 students for 15 days. Find, for how many students will 70 kg of ration be sufficient for 25 days? - Collection 83537
Nine-year-old Lucia is preparing for testing. He solves a collection of 40 tasks per day. He will need 9 days to solve all the tasks. How many days earlier would she finish if she solved 60 tasks a day? - Families 83209
Coal for 15 families lasts 60 days. How many days will the coal last for 20 families? - Containers 82736
Two filling machines fill 250 containers in 2 hours. How many containers will 4 machines fill in 3 hours?
- Railings 82711
Seven part-timers paint 280 m of railings in 5 hours. How many meters of railing will nine part-timers paint in 4 hours? - Powerful 82250
In 5 minutes, it pumps 1240 l of water with the pump. Can two equally powerful pumps pump 500 liters of water in 1 minute? - Custom-made 81913
On October 1, 2022, the customer ordered a custom-made kitchen from a carpentry company. Delivery time is 1 month. Four carpenters should work on the order in the workshop for 21 working days. Will they be able to deliver the kitchen on time if one of the - Acquaintances 81901
One liter of oil is enough for mom, dad, and son for 20 days. How many days will pass if 2 acquaintances come to visit? - Harvested 81719
Eight hop pickers harvest in 24 days. How many more pickers must be hired if the hops need to be harvested in 16 days?
- Children 81675
Mikuláš came to hand out gifts on December 6th and found out that he could hand out gifts to five children in 15 minutes with only one helper. How many minutes did they give out gifts to 40 children if Santa called 5 helpers? - Pasture 79214
I need to find out the number of bulls in the third period. In the first period, 12 bulls grazed on 3 and 1/3 ha for 4 weeks. In the second period, 21 bulls graze on 10 ha for 9 weeks. How many bulls in the third period graze for 24ha and 18 weeks? The pa - Building a wall
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places. - Seed drills
The tractor driver connected two seed drills behind the tractor and sowed 7 ha of grain in 5 hours. How many hectares did he plant in 8 hours the next day if he connected three seed drills? - 13680m2 70374
Eight painters painted an area of 15200 m² in 5 days. How many painters will paint a room of 13680 m² in 3 days?
- Transported 67924
On Thursday, 240 skiers had to be transported, and two buses took 30 minutes to do so. If there were 660 skiers on the piste and three buses were used, how long did the transport take on Saturday? - Performance 66764
Six masons of equal performance were able to plaster the walls of the new garages in 18 shifts. After 4 shifts of joint plastering, 2 got sick. a) In how many more shifts did the masons complete the said plastering? b) In how many shifts was the assigned - Terminated 66674 The department store originally employed 8 cleaners for reduced working hours of 4 hours a day. When two of them terminated their employment, 6 cleaners agreed to extend their original daily working hours. Specify its length in hours and minutes.
- Identical 63584
Water flows out of the tank in 28 minutes via three identical pipes. How long would it run through seven similar pipes? - Wall builders
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places.
Three people pick strawberries from 48 rows in 8 hours. How many hours do five people need to pick strawberries from 20 rows?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
