mohammed13bamba mohammed13bamba
  • 04-02-2021
  • Mathematics
contestada

Cynthia can wallpaper a room in 4 hours and her brother can do it in 6 hours. How long would it take them if they work together
​

Respuesta :

fabykungfu26
fabykungfu26 fabykungfu26
  • 04-02-2021

Answer:

2 hours and 24 minutes

Step-by-step explanation:

cynthia can wallpaper a room 4 hours with means in 1 hour she can wallpaper 1/4th of the room, her brother can wallpaper the same room in 6 hours so I'm 1 hour he can wallpaper 1/6 of the room.

Answer Link

Otras preguntas

Which measurement is not equal to 3 m 30 dm or 300 cm or 3000 mm or 3000 cm
what is the ordered pair solution for;x + 2y = 53x - y = 1
how do I solve 9 1/9 - 5/6
Which substance does not obey the Lewis octet rule? (a) N₂ (b) NO (c) CF₄ (d) Ar Can anyone explain this?
which is an example of a physical change* metal rusting*silver tarnishing* water boiling* paper burning
I am so confused about this graphing problem, just need answer doesn't have to show workRectangle ABCD has a length of 9 and a width of 7. Point D is the ordere
What hardships did the south face after the civil war????
What hardships did the south face after the civil war????
Aqueous solutions of this ion give a reddish precipitate when excess hydroxide ion is added. (A) Cu^{2+} (B) CO₃^{2−} (C) Fe^{3+} (D) Al^{3+} (E) Pb^{2+}
The frequency of violet light is 7.5x10 to the 14th power hertz. What is the wavelength?