ShawnSaviro7757 ShawnSaviro7757
  • 06-03-2024
  • Mathematics
contestada

X can do a piece of work in 5 hours, Y in 9 hours, and Z in 15 hours. If Z could work with them for 1 hour only, the time taken by X and Y together to complete the work is:
a) 2 hours
b) 2.5 hours
c) 3 hours
d) 3.5 hours

Respuesta :

Otras preguntas

Wasting away, or deterioration, of muscle is called ________.
Which statement best expresses a theme of "First Love" by Judith Ortiz Cofer? People don't always get what they want. Love is always near if people look for it.
The amount of organic matter living organisms in a habitat called
A country governed by a central party is best characterized as
World War II-era Governor Robert S. Kerr’s major legacy in state politics was __________. A. his oversight of the construction of the Turner Turnpike B. his
to know a famous actor. saber or concoer
Which of the following is something a male should be considered about and contact a physician? A. Erection in the morning B. Ejaculation while sleeping C. Bot
When racial disparity in sentencing occurs in some contexts, but not others, it is called:?
Which structure in the female reproductive system is comparable to the external reproductive organs in males?
Identify the stages of the water cycle where water moves downward from the force of gravity.