there are 7/8 kilograms of salt in the kichen. Mrs jackson used 2/15 of the salt when she was prepering dinner how much salt did she use?

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.