On a sailing trip, each passenger needs a life jacket, a lunch, and a bottle of water. Write an expression in simplest form that represents the weight carried by x passengers on the sailing trip. Interpret the expression.

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.