The sum of two consecutive integers is -15.If 1 is added to the smaller integer and 2 is subtracted from the larger integer, what is the product of the two resulting integers?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.