The manager of a sporting goods store instructs her employees to greet at least 80% of customers who enter the store. Each day, approximately 250 customers visit the store. An employee decides that, to comply with the manager’s directive, he must greet at least 170 customers each day as they enter the store. The employees calculations are: 250 – 80 = 170 Which description best explains whether the employee correctly calculated the minimum number of customers who must be greeted?