Chapters
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Two taps A and B fill a swimming pool together in two hours. Alone, it takes tap A three hours less than B to fill the same pool. How many hours does it take each tap to fill the pool separately?
Exercise 6
A faucet takes more than two hours longer to fill a tank than it would with a second faucet working at the same time as the first, where the job can be completed in 1 hour and 20 minutes. How long does it take to fill each one separately?
Solution of exercise 1
Verifying the solution:
The equation has no solution because for x = 1, the denominators are annulled.
Solution of exercise 2
Verifying the answer:
Solution of exercise 3
Verifying the answer:
For 
:
For 
:
Solution of exercise 4
Verifying the answer:
When 
:
When 
:
Solution of exercise 5
Two taps A and B fill a swimming pool together in two hours. Alone, it takes tap A three hours less than B to fill the same pool. How many hours does it take each tap to fill the pool separately?
Time of A = 
Time of B = 
Verifying the answers:
When 
:
When :
Time of A 3 hours
Time of B 6 hours
Solution of exercise 6
A faucet takes more than two hours longer to fill a tank than it would with a second faucet working at the same time as the first, where the job can be completed in 1 hour and 20 minutes. How long does it take to fill each one separately?
1st Time =
2nd Time = 
x=\frac { 14 - 10}{ 6 } 
x=\frac { 24 }{ 6 } \qquad 
1st Time 4 hours
2nd Time 2 hours
not a solution because the time for the second faucet would be negative.
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