AUDA DOY CORONITA CINCO ESTRELLAS GRACIAS Y 10 PUNTOS ( ES THE INVERSE PROPORTIONS CON EXPLICICACION PLIS )

5. If 12 men or 15 women can finish a piece of work in 66 days, how long will 24 men and 3 women take to finish the work?


6. 70 patients in a hospital consume 1350 liters of milk in 30 days. At the same rate, how many patients will consume 1710 liters in 28 days?

7. If 30 employees working 7 hours a day can finish a piece of work in 18 days, how many employees working 6 hours a day can finish it in 30 days?

8. If 18 binders can bind 900 books in 10 days, how many binders will be required to bind 660 books in 12 days?

9. If 20 men can build a 112-m-long wall in 6 days, what will be the length of a similar wall that can be built by 25 men in 3 days?

10. 6 men, working 8 hours a day, earn $ 8400 per week. What will be the earning per week of 9 men who work for 6 hours a day?

11. If 270 kg of corn would feed 42 horses for 21 days, for how many days would 360 kg of it feed 21 horses?

12. Five machines, when operated for 9 hours each day, can harvest a farm in 16 days. How many days would 8 machines take to harvest the same farm, if each machine is now operated for 10 hours each day?