Apenguin can dive 48 meters below the surface of the water to reach a fish. it dives 2% of the total depth every 1 second. what is the total depth of the penguin after 4 seconds?

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.