Bob has to pack 192 boxes. this morning, he packed 84 boxes in 3 1 2 312 hours. if bob continues at the same rate, how long will it take him to pack the remaining boxes?

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.