How many hours are in 186 minutes explained in as a mixed number or decimal

Will give brainliest summations with algebraic expressions image shown

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

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 math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.