Answer:
Bob must use $4,000 newspaper ads in two numbers
Explanation:
As given in the question -
Total number of people affected by $5,000 TV ad 
Total number of people affected by two $5,000 TV ad 
Total number of people affected by $5,000 TV ad 
Total number of people affected by two $5,000 TV ad 
Hence, more number of people are affected by two news paper adds of $4,000
I don’t even know to be honest only commenting to get some points ....:
Answer: Tracking and identification.
Explanation: In other ease the woes and stress of such individual, integrating a tracking and identification capability on her app will be of great help. This will ensure that she could be easily and effectively located by leveraging the ability of the geographic positioning system in other to correctly get and know are current location. With these she could be picked easily when issues of drops off at the wrong location. Trackers allows one to determine the current location of items or individuals in which the tracking devices are placed on. As it also gives signals when one gets to the current position of the item or individual for proper identification. With these locating her will become very easy and hassle free during instances of wrong drop off.
