lynn5645 lynn5645

02-11-2018
Mathematics

contestada

one custodian cleans a suite of offices in 9 hours when a second worker is asked to join the regular custodian the job takes only four and a half hours how long does it take the second worker to do the same job alone

Respuesta :

dernst041 dernst041

02-11-2018

9 hours is the answer.

Answer Link

xxxsanyeo xxxsanyeo

02-11-2018

Answer:

9 hours

Step-by-step explanation:

9 hours by one custodian divided by 2 custodians equals 4.5

4.5 x 2 = 9

Answer Link

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