For example, if a community travels to a scenic spot, the charging standard is as follows: if the number of people is less than 30, the per capita travel expenses will be 800 yuan, and if the number of people exceeds 30. Then for each additional person, the per capita travel expenses will be reduced by 10 yuan, but the per capita travel expenses shall not be lower than that of 500 yuan. Company A plans to organize a group of employees to travel to scenic spots with 28,000 yuan. How many people can be arranged to travel?

If there are 35 people traveling, the total cost is equal to the number of people multiplied by the cost per person, and the cost per person should be 800-(35-30)× 10, in which 800 refers to the original cost, and (35-30) refers to five more people, and each additional person will reduce 10 yuan, so there is (35 Now there are X people who spend 28,000 yuan to travel * * *, so it can be listed as X [800-(X-30)] = 28,000.