rayssasantosmar3292 rayssasantosmar3292

29-07-2019
Mathematics

contestada

t takes Phillip 7 hours to proof a chapter of Hawkes Learning Systems' Intermediate Algebra book and it takes Kim 3 hours. How long would it take them working together? (Round your answer to two decimal places.)

Respuesta :

29-07-2019

Answer:

2.1 hrs

Step-by-step explanation:

In 1 hr, Phillip would have proofed 1/7 of the chapter. In 1 hr, Kim would have proofed 1/3 of the chapter. So, together in 1 hr, they would have proofed 10/21 of the chapter. So, it would take 21/10 or 2.1 hrs to proof the whole chapter together.

Answer Link

Otras preguntas

Relating to Incision (43500-43520): Using the CPT code book, assign code(s) for the following scenario: Postoperative Diagnosis: Peptic Ulcer with Hemorrhage Pr

given a = [3 5 -2 1 6 0] b= -2 4 -3 5 0 4] and c=[ -3 0 1 2 3 0] what is a-b+c

Which of these is not an adverse result of a tornado? Responses A. Fallen trees create a risk of fire. B. Animal habitats undergo significant loss. C. A sto

[tex]Solve four-ninths minus four-tenths[/tex]

what is the cost and benefit of high petrol price to society

la evolución de la ofimatica hasta nuestro días

Which expression can be used to find the value of x? Responses 23(sin55°)(sin85°) 23 left parenthesis sine of begin argument 55 degrees end argument right paren

What will be the color of a flower dipped in a make sure that is 3/5 red explain how you know

Mental health care facilities serving individuals who have committed crimes or who are under the supervision of the courts are designated as

Josh was packing to move to another office.He packed 3 2/5 boxes on tuesday and 2 9/10 boxes on wednesday.After everithing was moved to his new office on wedne

ACCESS MORE EDU ACCESS