Grandma planted one pine tree and one mahagony tree in her yard. The pine tree was 60 inches tall when she planted it and grows 12 inches per year. The mahogany tree was 100 inches tall when she planted in at grows 8 inches per year. Select and define the independent and dependent variables include the units.
Write a system of equations to represent this situation.
Solve the system of equations.
Interpret the solution in the context of the situation (include units).