production shows that only 3 of the first 10 phones are working, which is 30% of the phones. describe how the percentage of working phones changes if the eleventh and twelfth phones work correctly.

Respuesta :

If the eleventh phone is working correctly, the percentage increases to:

4/11 = approximately 36.4%


If the eleventh and twelfth phones are working, the percent increases to:

5/12 = approximately 41.7%

The percentage of working phones changes if the eleventh and twelfth phones work correctly by 36.4% and 41.7%.

What is percentage?

A percentage serves as the  number or ratio which can be used to give  representation of a fraction of 100 with the  symbol %.

With the assumption that eleventh phone is working, then it becomes 36.4% which is  [tex]( 4/11 *100)[/tex]

With the assumption that the eleventh and twelfth are working , then the percentage becomes 41.7% which is [tex](5/12 *100% )[/tex]

Learn more on  percentage at ; https://brainly.com/question/843074

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