alvarezgabriella1010 alvarezgabriella1010

18-07-2022
Mathematics

contestada

One student can paint a wall in 12 minutes. Another student can paint the same wall in 24minutes. Working together, how long will it take for them to paint the wall?

Respuesta :

djp6182583 djp6182583

18-07-2022

Answer:

8 minutes.

Step-by-step explanation:

We work in fractions of the wall they can paint in 1 minute, so

1/12 + 1/24 = 1/x where x is the time it takes when working together.

Multiplying through by 24x:

2x + 1x = 24

3x = 24

x = 8 minutes.

Answer Link

Otras preguntas

Species diversity _______ steadily going away from the equator.

please help me!!!!??

Christmas carol: what effect does seeing his younger self have in the adult Scrooge?

A water tank holds 18,000 gallons how long will it take for the water level to reach 6,000 gallons if the water is used at an average rate of 450 gallons per da

According to Paragraph 5 from the excerpt of things fall apart, what does Okonkwo consider to be the mark of a successful man in his village?

solve and simplify 3. (y^2-7y-5)-(-3y^2+3y-4)

Compare post-world war 1 Europe to the demise of ancient great empires. Recall characteristics of the Roman Empire. Consider the mindset of Europeans up until W

There is always a greater supply of goods in a capitalist economic system. True or false

The temperature at 8pm was 35F. From 8pm to 12am the temperature decreased bu 6F each hour. At 12am the temperature was

Which of the following is true of intuitive decision making? A) It is a slow process of decision making. B) It is devoid of emotions. C) It is the most rational