5) A salesman at Wasteland TV Company sold five color TV sets for a total of $18,990. If his commission is 5.5% of sales, how much did he earn last week?
First, we need to find the total amount of the salesman's commission.
Commission = 5.5% of total sales
Commission = 0.055 x $18,990
Commission = $1,044.45
Therefore, the salesman earned $1,044.45 last week.