Littlewolf
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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 over 10, because 4 over 5 minus 2 times 1 over 10 equals 4 over 5 minus 3 over 10
5 over 10, because 4 over 5 minus 2 times 1 over 10 equals 4 over 5 minus 3 over 10
6 over 10, because 4 over 5 minus 2 times 1 over 10 equals 4 over 5 minus 2 over 10
5 over 10, because 4 over 5 minus 2 times 1 over 10 equals 4 over 5 minus 2 over 10

Respuesta :

There is a much simpler way of putting it. He has seven tenths left in the bag. The LCD is ten. after doing the work you get eight tenths minus one tenth. so the answer is 7/10

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