Gta signal jammers glitch

so i was doing the signal jammers thing in gta and after i destroyed 20 i got my saving the point i was at in my video, the next day, i was only and 10, i assumed this was a visual glitch but after i finished the vid, i was only a 40, i went black and checked out the first 20 and they were not there, is this some glitch? i’ve tried restart

Which number produces a rationale number when multiplied by 1/5

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

How do you determine if an ordered pair is a solution to a given equation?