there are 84 species of animals in the metropolitan zoo. 5/12 of the species are from north America. north 1/4. of the species are from Africa. the remaining species are from north America. how many species are from North America

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.