12-04-2021
Mathematics

contestada

Mari and Liam can each wash a car and vacuum its interior in 2 hours. Zach needs 3
hours to do this same job alone. If Zach, Liam, and Mari work together, how long will it
take them to clean a car?

Respuesta :

CaveScriptjavaisgone CaveScriptjavaisgone

12-04-2021

2+2+3=7

7/3=2.33

2.33/3=0.78 hours

46 minutes 12 second

It would take them 46 minutes 12 seconds to clean the car if they worked together.

Answer Link

3832622 3832622

14-05-2021

Answer:

45 min

Step-by-step explanation:

Answer Link

Otras preguntas

What was a major argument against Roosevelt's "Four Freedoms" in his claim that the U.S. should review its isolationist policies?

how could you change Exercise 5 so that your rule uses the inverse operation?

By how much can wearing a helmet when riding a bicycle reduce the risk of head injury? A. 85 percent B. 10 percent C. 15 percent D. 40 percent

Which particle is used to determine the atomic number of an element? A) Electron B) Neutron C) Proton D) Soutron

which best describes the function notation f(3)=15A) the output is 3, the input is 15B)the output is 15, the input is 3C) the output is f(x), the input is 3D) T

In addition to ATP, what types of molecules are produced in the Krebs cycle? A.)electron carriers B.)macromolecules C.)protein transport D.)nucleic acids Ple

Define the word “personification.” Provide an example from one of the following poems: “The Courage My Mother Had” by Edna St. Vincent Millay “Caged Bird” by M

In 1969, don bought a dodge dart for $2,500. he drove this car until 2003 when he bought a honda civic for $18,000. if the price index in 1969 was 36.7 and the

The distance between 0 and the point representing the real number.

Can someone help me with these and please show work and explain because I don’t really get it :( Thanks RANDOM ANSWERS WILL BE MODERATED!