One employee of a computer store is paid a base salary of 21

One employee of a computer store is paid a base salary of $2150 a month plus ann 8% commission on all sales over $7000 during the month. How much must the emplyee sell in 1 month to earn a total of $3170 for the month?

Solution

Base salary = $ 2150

Let the sales be $x

Commission = 0.08x

2150 + 0.08x = $ 3170

0.08x = 1020

x = $ 12750

Employee must have sales of $v12750 to have a total salary of $ 3170 a month