please answer only parts c.) and d.)

7-2. a) A straight road with government- provided Internet will receive 16 access points that are 10 meters apart. About how many access points would be needed if the city decided to increase the distance to 20 meters? Just give a rea- soned estimate. b) A single-story build- ing is 100 meters by 100 meters. If access points are placed 10 meters apart on average, about how many access points