Elena’s bread recipe calls for 3 ounces of butter for each 4 cups of flour used. She needs to make 4 times the original recipe. If 12 ounces of butter is used, then how many cups of flour are needed?	Choose the correct choice from the following answers:
A) 1 B) 4 C) 9 D) 13 E) 16
Number of cups flour needed for 3 ounces of butter = 4   Number of cups flour needed for 1 ounce of butter = 4/3   Number of cups flour needed for 12 ounces of butter = 4/3 * 12= 
<gadget id="calculator">4/3 * 12</gadget>
<output>16</output>
16   Answer 16
<result>E</result>
Elena’s bread recipe calls for 3 ounces of butter for each 4 cups of flour used. She needs to make 4 times the original recipe. If 12 ounces of butter is used, then how many cups of flour are needed?