Question

Preston is making cookies. He has 4 over 5 cup of flour in a bag. He then used two 1 over 10 cups of flour for his recipe. Which of the following best explains the amount of flour left in the bag?


6/10, because 4/5 - 2 x 1/10 equals 4/5 - 3/10

5/10, because 4/5 - 2 x 1/10 equals 4/5 - 3/10

6/10, because 4/5 - 2 x 1/10 equals 4/5 - 2/10

5/10, because 4/5 - 2 x 1/10 equals 4/5 - 2/10