21-03-2015
Mathematics

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An insurance company has 75 employees if 60 have phones what portions does not have phones

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Hippalectryon Hippalectryon

21-03-2015

The company has 75-60=15 employees who do not have phones, that makes 15/75=0.2=20% who don't have a phone.

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21-03-2015

a=the ones who have phones
b=the employees who don't
a+b=75
60+b=75
b=75-60
b=15
15·100/75=
0,2·100=20

Answer:20%

Answer Link

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