Problema Solution
Kyle is a salesman. His monthly earnings include a fixed monthly salary and a commission that is a fixed percentage of his total sales for the month. Kyle's sales for the month of January were $15,000 and his total earnings for that month were $2550. Kyle's total sales for the month of February were $25,000 and his total earnings for that month were $3,050. What is Kyle's fixed monthly salary in dollars?
Answer provided by our tutors
let
x = the fixed monthly salary of Kyle
p = the fixed percentage of his total sales
Kyle's sales for the month of January were $15,000 and his total earnings for that month were $2550
x + p*15000 = 2550
Kyle's total sales for the month of February were $25,000 and his total earnings for that month were $3,050
x + p*25000 = 3050
by solving the system of equations
x + p*15000 = 2550
x + p*25000 = 3050
we find
x = $1,800
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Kyle's fixed monthly salary is 1,800 dollars.