Jill Co Sells Thermometers ($2)and Hot Water Bottles ($6)

Multiple Choice

Jill Co. sells thermometers ($2) and hot water bottles ($6) . If total sales were $312 and customers bought 10 times as many thermometers as hot water bottles, what would be the number of hot water bottles sold?

A) 120
B) 119
C) 12
D) 11
E) None of these