Answer:
12
Step-by-step explanation:
6 / .5 (same as 1/2)
or 6 X 
Remember when we divide by a fraction we do the following
Keep it (the first number stays the same)
Change it (convert from a division problem to a multiplication problem)
Flip it (flip the fraction that we are dividing by over - this is called a reciprocal)
Answer:
1 cup of flour per 12 cookies
Step-by-step explanation:
2x=24y
divide by 2 on both sides
x=12y
Use the formula x1-x2 divide by y1-y2