At a recent holiday party, 4/5 of the attendees were company employees and the rest were their guests. if 2/3 of the employees who attended were engineers, what was the number of non-engineer employees who attended? there were 225 total attendees at the party. there were 45 attendees who were guests of the employees.

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31-03-2018
Mathematics

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At a recent holiday party, 4/5 of the attendees were company employees and the rest were their guests. if 2/3 of the employees who attended were engineers, what was the number of non-engineer employees who attended? there were 225 total attendees at the party. there were 45 attendees who were guests of the employees.

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Аноним Аноним · Answer 1 · 2018-03-31T10:01:59+02:00

There were 225 people who attended the party.

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4/5 of the attendees were employee:
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[tex] \dfrac{4}{5} \times 225 = 180[/tex]

There were 180 employees.

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2/3 of the employees were engineers:
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[tex]\text {Fraction of non-engineers = } 1 - \dfrac{2}{3} = \dfrac{1}{3} [/tex]

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Number of Non-engineers :
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[tex]\text { number of non-engineers = } \dfrac{1}{3} \times 180 = 60[/tex]

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Answer: There were 60 non-engineers employees that attended the party.
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