How to be more productive in study?please give tips​

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra 2 math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this and anther one for days and if i get the 2 questions right i pass the class.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Free brainliest + free points if answered correctly ! when passing, only when you can see the tires of the vehicle you passed in your rearview mirror. a. return to your lane b. move into the next lane c. flash your headlights d. honk your horn