The entire contents of a full sack of flour can be used to make 15 cupcakes and 8 pizzas. The same full sack of flour can be used to make 3 cupcakes and 14 pizzas. If a full sack of flour is used to make only pizzas, how many pizzas can be made?
Pick:
A) 18 1/4	B) 15 1/2	C) 18 3/4	D) 19	E) 19 1/4
15x+8y=3x+14y   x=1/2y. Answer 15 1/2
<result>B</result>
The entire contents of a full sack of flour can be used to make 15 cupcakes and 8 pizzas. The same full sack of flour can be used to make 3 cupcakes and 14 pizzas. If a full sack of flour is used to make only pizzas, how many pizzas can be made?