Eduardo runs 6 laps around the track at lincoln park school. then he runs 3 1/2 miles to get home. how far will he run in all?

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.