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.