01-03-2015
Mathematics

contestada

Please help!!!! Hannah can paint a room in 9 hours. Destiny can paint the same room in 15 hours. How long does it take for both Hannah and Destiny to paint the room it they are working together?

Respuesta :

Аноним Аноним

01-03-2015

9/2= 4.5
15/2= 7.5
4.5+7.5=12

12 Hours

Answer Link

Otras preguntas

7. Find the value of x in the triangle. 15°

Pls help! brainliest if correct and 50 points awarded! look at the image! :)

What does Brian's dad lie about during the interview? the hate u give

Dylan invested $700 in an account paying in interest rate of 1 3/4% compounded quarterly. Sebastian invested $700 in an account paying in interest rate of 1 1/4

Read the sentence from Paragraph 4. The time-honored tradition of taking notes with pencil and paper may seem antiquated, but it works. In the sentence, to wha

I need help please help

Is a vengeful nature an attribute that someone is born with ,or it a learned behavior?

Why do you think they disagree when it comes to more specific rights

HELP!!!! 2x+y= 20 3x+4y= 40

PLS HELPP :D Complete this worksheet by typing out all of your work OR taking a picture of the work in your notebook. Make sure you solve equations by showing i