SOLUTION: Patrick is an automobile salesman who receives a salary of $550.00 per week plus a commission of 5 percent on all sales. During a 4-week period he sold $49,500.00 worth of cars.

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Question 278801: Patrick is an automobile salesman who receives a salary of $550.00 per week plus a commission of 5 percent on all sales. During a 4-week period he sold $49,500.00 worth of cars. What were Patrick's average earnings? $872.90

Answer by Theo(13342) About Me  (Show Source):
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salary is $550.00 per week plus commission.

in 4 weeks he sold $49,500 worth of cars.

commission on $49,500 = $49,500 * .05 = $2475.

4 weeks salary = 4 * $550 = $2200.

Total pay for 4 weeks = $2475 + $2200 = $4675.

$4675 / 4 = $1168.75 per week.

His average earnings per week were $1168.75.