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

stephen and bridget win some money and share it in the ratio 5:2. stephen gets £65. how much does bridget get

Please hurry it’s urgent Thank you for your time

A fishing tackle box is 13 inches long 6 inches wide and 2 1/2 inches high what is the volume of the tackle box?

what are all the citation

what is the by product of anaerobic respiration

Which of the following describes the main role of women in ancient Athens? A. Women often participated in the government. B. Women entertained their husband

Time Remaining 53:07 Why did Mexican soldiers retreat from the Battle of Gonzales? a. They retreated because bad weather was setting in. b. They retreated becau

Simplify the expression 5/4-(7/4+2i) and write the result in the form a+bi

Factor the polynomial completely. 2x2 + 8x - 3 A) (x - 3)(x + 1) B) (2x + 1)(x + 3) C) (2x - 3)(x + 1) D) cannot be factored

pro/tectwhat are those little bubble for edible