Which side lengths could create a triangle?? A.5,5,15
B.5,10,20
C.10,10,15
D.10,10,20

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.