A 100 G Glass Container Is at 10 $^{\circ}$ C200 G of Water at 90

A 100 g glass container is at 10.0 $^{\circ}$ C.200 g of water at 90.0 $^{\circ}$ C is added to the glass container.What is the final temperature of the water and the glass,in $^{\circ}$ C? (specific heat of water = 1.00 cal/g $^{\circ}$ C,specific heat of glass = .200 cal/gm $^{\circ}$ C)

A) 82.7
B) 75.0
C) 68.2
D) 50.2
E) 46.9