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For 7 hours study, she scored a 75 so if she made 93 how many hours would she need to study?
How many hours are, if the time that elapsed since 8:00 is 2/5 of the time that will past till midnight?
Route is long 203 km and the first day first regiment went at an average speed 20 km/h and journey back 19 km/h. The second day went second regiment same route at an average speed 18 km/h there and back. Which regiment will take route longer?
- Road repair
Road repair took 16 days for 34 workers if they worked 6 hours a day. How many days take repair same road 33 workers if they work 6 per day?
Father dig up the garden in 13 hours. Son in 18 hours. How many hours take dig up the garden together?
- Minute hand v2
In how many minutes describe the minute hand angle 60 degrees?
- Two typists
There are two typists who are rewriting the material 705 pages. First can it handle rewrite yourself for 24 days; the second 12 days. First typist wrote material yourself 4 days rest rewrites yourself second typist. How many days will it take rewriting alt
6 pump fills the tank for 3 and a half days. How long will fill the tank 7 equally powerful pumps?
- Forestry workers
In the forest is employed 63 laborers planting trees in nurseries. For 11 hour work day would end job in 43 days. After 14 days, 22 laborers go forth. How many days is needed to complete a planting trees in nurseries by others, if they will work 15 hours
Hiker went half of trip the first day, the third of trip the second day and remaines 13 km. How long trip he planned?
- Motion problem
From Bratislavy to Martina go car at speed 83 km/h. From Martina to Bratislavy go another car at speed 62 km/h. How many minutes before the meeting will be cars 21 km away?
Calculate how much of the school year (202 days long) take Christmas holidays 16 days long. Expressed as a decimal number and as a percentage.
Pediatrician this month of 21 working days takes 3 days holidays. What is the probability that on Monday will be at work?
Father collects strawberries himself in 4 hours, son in 10 hours. How long will it take them along when dad comes to help son collect strawberries after 4 hours?
Car travels 1/3 of the trip on the first day, second day 2/6 of the trip and left even 340 km for next days. How long is the trip?
What part of the day is 5 hours 42 minutes? Express as a decimal number.
- Two rooms
Woman cleans the room in 30 minutes a man in 90 minutes. How long will take they clean two rooms?
Jane eats whole lunch for the 30 minutes. Which part of the lunch is eaten in 180 seconds?
Four cooks cleaned 5 kg of potatoes for 10 minutes. How many cook would have to work clean 9 kg of potatoes for 12 minutes?
What time is now, if the time elapsed after noon is 1/4 of time that elapses before midnight?