word Mathematics Question, math homework help

1-A merchant mixed 10 lb of a cinnamon tea with 2 lb of spice tea. The 12-pound mixture cost $19. A second mixture included 16 lb of the cinnamon tea and 4 lb of the spice tea. The 20-pound mixture cost $32. Find the cost per pound of the cinnamon tea and of the spice tea.

cinnamon	dollars per pound
spice	dollars per pound

2- A motorboat traveling with the current went 36 mi in 2 h. Traveling against the current, it took 3 h to travel the same distance. Find the rate of the boat in calm water and the rate of the current.

rate of boat	mph
rate of current	mph