Problema Solution
Alexander and his brother Albert work at two different department stores. Alexander is paid a base salary of $250 per week plus a 30% commission on all sales. Albert is paid a base salary of only $125 per week, but gets a 40% commission on all sales.
Answer provided by our tutors
let sale of alexender's store be s1
let SALARY OF ALEXENDER be a
SALARY OF ALEXENDER = a = 250 + 30% of s1
=> a = 250 + 3s1/10 ...............(1)
let sale of albert's store be s2
let SALARY OF ALBERT be b
SALARY OF ALBERT = b = 125 + 40% of s2
=> b = 125 + 4s2/10 ...............(2)