The total ages of 2 buildings is 201 years. if one building is twice as old as the other, what are the ages of 2 buildings?

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

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.