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Josh can clean the math building on his campus in 2 hours. Ken takes 23 hours to clean the same building. If they work​ together, how long will it take them to clean this​ building?

Respuesta :

Answer:

1.84 hr.

Step-by-step explanation:

The time taken them to clean this building is 1.84 hours.

Given that,

  • Josh can clean the math building on his campus in 2 hours.
  • Ken takes 23 hours to clean the same building.

calculation:

[tex]= \frac{1}{2} + \frac{1}{23}\\\\ = \frac{23 + 2}{46} \\\\= \frac{25}{46}\\\\ = \frac{46}{25}[/tex]

= 1.84 hours

learn more about  the time here: https://brainly.com/question/2570752?referrer=searchResults

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