trautlashley3152 trautlashley3152
  • 04-02-2021
  • Mathematics
contestada

It would take Steve 4 hours to paint a room. If Andre helps him, they can finish painting the room in 3 hours. How long would Andre take to paint the room by himself?

Respuesta :

samuelonum1
samuelonum1 samuelonum1
  • 07-02-2021

Answer:

12 hours

Step-by-step explanation:

Given data

Steve= 4 hours

Steve and Andrea= 3 hours

Applying the combined work formula

1/A+1/B= 1/T

1/4+1/B= 1/3

solve for B

B+4/4B= 1/3

cross multiply

3(B+4)= 4B

3B+12= 4B

12= 4B-3B

12= B

Hence Andrea will spend 12 hours alone

Answer Link

Otras preguntas

The designer tested how the number of cells affected the number of steps that could be taken before the lights stopped working. Figure 2 shows the results. Fig
How many orders of magnitude bigger is 23,000 than 56?
What is the theme of Ovid’s “The Story of Daedalus and lcarus?”
your father send your school fees and pocket money through western union money transfer. write a permission to your headmaster to allow to be absent for one wee
Solve for x. Round to the nearest tenth, if necessary.
What is the answer of this question?
Where should there be a paragraph break in the following text? Billy felt good about his speech. He thought he made the points he wanted to make clearly and th
If interest is 8% and it is compounded semiannually, and after one year, the total value is $10,816, what was the original investment?
What year was trxas founded
____ more than 3455 is two hundred seventy -eight thousand five hundred eighty three​