sterlingsmith16441 sterlingsmith16441
  • 11-03-2024
  • Mathematics
contestada

X can do a piece of work in 20 days, y in 15 days. x and y work at it together for 8 days and then z finishes it in 4 days. how much time it would take to do it alone?

Respuesta :

Otras preguntas

A cable is connected to the top of a building that is 20 20 ft high. The cable is attached to the ground 35 35 ft away from the building. What is the angl
Which of the following statements is true? O A. A producer usually obtains food by hunting other organisms. OB. Humans that prepare their own meals are producer
Ancient Athens and the direct democracy the United States Constitution provides for a representative Democratic do you think the United States should change the
In triangle ABC, the measure of angle A is 90, the measure of angle B is 45, and the measure of angle C is 45. What is the combined measure of the three angles?
It takes 32 hours for a motorboat moving downriver to get from pier A to pier B. The return journey takes 48 hours. How long does it take an unpowered raft to c
Why do those in health care use the 24- hour clock health care is administered at all times of day so the patients will not to able to understand it is on the
If 39 is 1% of a number, what is that number? How did you find your answer?
Help with problem 1 and 2​
What was an advantage the Americans had during the Revolutionary War?
Elizabeth works for a local restaurant At the end of her shift, she is required to write in the time that she arrived and the time she is leaving so that she ca