To attend a Baseball game, a family of 2 adults and 4 kids pays $70.90. Another group 7 adults and 3 kids attend the same game and pay $139.80
Write a system of equations that can model this situation.
Let a cost of one adult ticket and k = the cost of one kid ticket.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours