A 100 Gram Aluminum Container Is at 15

A 100 gram aluminum container is at 15.0 °C. 150 grams of water at 80.0 °C is added to the aluminum container. What is the final temperature of the water and the aluminum? (specific heat of water = 1.00 cal/g °C, specific heat of aluminum = 0.215 cal/g °C)

A) 58.3 °C
B) 68.5 °C
C) 71.9 °C
D) 73.1 °C
E) 83.3 °C