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Theory
Exercises
1. 
Choose the correct answer
Difficulty: easy 
3

2. 
Find out how many workers will finish the work in certain period
Difficulty: easy 
3

3. 
Calculate how days the food supply will last
Difficulty: easy 
4

4. 
Calculate how many persons will engineer require
Difficulty: medium 
4

5. 
Determine the number of days the food will last
Difficulty: medium 
5

6. 
Calculate the increase speed of the vehicle
Difficulty: medium 
5

7. 
Calculate in how many days painters will finish work
Difficulty: medium 
5

8. 
Determine in how many days the project will be completed
Difficulty: medium 
5

9. 
Calculate the number of days that animal can graze the field
Difficulty: hard 
5

10. 
Calculate the number of pipes need
Difficulty: hard 
5

11. 
Calculate the value of A
Difficulty: hard 
5

Tests
1. 
Traning Test
Difficulty: medium 
10
