Frankie is practicing for a 5−kilometer race. his normal time is 31 minutes 24 seconds. yesterday it took him only 29 minutes 47 seconds. how much faster was frankie yesterday than his normal time?

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.