1. One pipe can fill a whole pool in 6 hours. The drain can empty the pool in 12 hours. With the pipe on and the drain open, how long will it take the pool to be filled?
2.Jack and Vincent can assemble a car engine 10 weeks. If Jack left after working for 3 weeks with Vincent, and it took Vincent 21 weeks finishing the job, how long would it take each to assemble the engine?
3.Pedro can finish a construction job in 5 weeks. it will take Juan 12 weeks more than that to do the same job. if they worked together for 2 weeks and then Pedro got ill and stopped working, how long would it take Juan to finish the construction job?
4.A pipe can fill a tank in 1 hour and a second pipe can drain the same tank in one and a half hours. If the drainage pipe was accidentally left open when the tank was being filled, how long would it take to fill the tank?
2.Jack and Vincent can assemble a car engine 10 weeks. If Jack left after working for 3 weeks with Vincent, and it took Vincent 21 weeks finishing the job, how long would it take each to assemble the engine?
3.Pedro can finish a construction job in 5 weeks. it will take Juan 12 weeks more than that to do the same job. if they worked together for 2 weeks and then Pedro got ill and stopped working, how long would it take Juan to finish the construction job?
4.A pipe can fill a tank in 1 hour and a second pipe can drain the same tank in one and a half hours. If the drainage pipe was accidentally left open when the tank was being filled, how long would it take to fill the tank?