The explanation a candidate for mayor in a small town has allocated $40,000 for last-minute advertising in the days preceding the election. Two kinds of ads will be used radio and television. Each radio ad costs $200 as well as reaches an estimated 3,000 people. Each television ad costs $500 as well as reaches an estimated 7,000 people. In planning the advertising campaign the campaign manager would like to reach as numerous people as possible, however she has stipulated that at least 10 ads of each type must be used. As well the number of radio ads must be at least as great as the number of television ads. How many ads of each kind should be used? How many people will this reach?