You Need to Purchase a New Computer Printer $A$ Is $\$ 80$

You need to purchase a new computer printer. The cost of printer $A$ is $\$ 80$ , and its ink cartridges are $\$ 29$ each. The cost of printer $B$ is $\$ 125$ , and its ink cartridges are $\$ 15$ each. You estimate that you will need new ink cartridges about once a month. Find equations for the total cost of each printer after $t$ months and use them to determine when you would have invested about the same amount of money in each. Round to the nearest tenth of a month.