A 500 G Glass Container Contains 200 G of Water at at 20.0

A 50.0 g glass container contains 200 g of water at 20.0 °C. A 20.0 g piece of an alloy at 100 °C is added to the water in the container. The final temperature of the mixture is 24 °C. What is the specific heat of the alloy in cal/g °C? (specific heat of water = 1.00 cal/g °C, specific heat of glass = 0.200 cal/g °C)

A) 2.75
B) 1.87
C) 1.54
D) 0.852
E) 0.553