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

The word Shia means, party ofThe descendant or rightful successoraccording the Shia's of Muhammad.A. SamuelB. AbrahamC. AliD. Yahweh

Please answer this correctly

How can people reach their full potential?

What is the volume of the pyramid

The sum of two numbers is 39. Their difference is 21. What are the two numbers?

Would you rather have a pool that is 20m×8m×6m OR a pool that is 1550cm×650cm×725cm?

i will give brainliest to whoever comes up with the best title, here’s the topic; “how the human body reacts to music”

n What was a characteristic of the rulers of the Zhou dynasty? They created a strong central government. They used harsh treatment to control the people. They b

Why did peasants work in groups?

Given function f(x)=x^2+5, determine the value of f(f(5))