Problema Solution
John works as a salesman for a cellular telephone
service. He is paid $250 per week plus $15 for each
contract a customer signs. He needs to earn at least
$450 per week in order to meet his living expenses.
What is the fewest number of contracts he needs to
sell each week to meet his living expenses?
Answer provided by our tutors
Let 'x' represent the number of contracts that John sells per week, x is integer.
250 + 15x >= 450
........
click here to see the inequality sold for x
........
x >= 13.33
We need the smallest integer that is larger then 13.3 and that is 14.
John needs to sell 14 contracts per week to earn at least $450 per week.