Problema Solution

A company has 192 employees in the marketing and sales offices. For every three people employed in marketing, there are thirteen people employed in sales. How many people in the office work in marketing? How many people work in sales?

Answer provided by our tutors

let


m = the number of people working in marketing


for every three people employed in marketing, there are thirteen people employed in sales thus there are (m/3)*13 people in sales


altogether there are 192 employees


m + (m/3)*13 = 192


by solving we find


m = 36 people work in marketing


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(m/3)*13 = (36/3)*13 = 12*13 = 156 people work in sales.