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

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

as a star forms, at what point do nuclear reactions begin to occur?

I need help with science please!

If the cost is $100 plus a variable cost, the function is C(n)= 100+(2-0.01n)n. the selling price is $2.50 per unit. the revenue function is R(n)=2.50n. determi

Use the Earth's Energy Budget diagram to answer the question. Of the incoming solar energy, by what is it MOST absorbed? A. atmosphere B. clouds C. land and oce

The socialists and unions joined to form the

Which expression is equivalent to 3(5 + 4)? 15 + 12 15 + 4 8 + 7 8 + 4

41>6m-7 HALLPP PLS IDK WHAT THIS

Math question pleasseeee answer thanks!

Please help me with this question...

What is 150/1 divided by 2/5