Elena’s bread recipe calls for 3 ounces of butter for each 4 cups of flour used. She needs to make 6 times the original recipe. If 12 ounces of butter is used, then how many cups of flour are needed? Choose the correct answer:
A) 1
B) 4
C) 9
D) 13
E) 24
Solving through algebra route:   3B + 4F = x amount   If we multiply this equation with 6 we get:   18B + 24F =6X   Therefore, we got 18 ounces of butter and 6X amount of quantity when we use 24 ounces of floor.   Ans:24
<result>E</result>
Elena’s bread recipe calls for 3 ounces of butter for each 4 cups of flour used. She needs to make 6 times the original recipe. If 12 ounces of butter is used, then how many cups of flour are needed?