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Erin feeds her dog 7/10 cup of food a day . With 3/10 cup canned and the rest dry . She also gives her dog 1 treat a day . How much dry food Erin feed her dog in a week ? Answer problem 4-8

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opudodennis

Answer:

[tex]2\frac{4}{5}\ \ or \ 2.8 \ \ cups[/tex]

Step-by-step explanation:

-The total portion fed to the dog is 7/10 cup

  • Canned-3/10
  • Dry=7/10-3/10=4/10

-One week has 7 days. we multiply the dry portion per day by the number of days in a week.

[tex]Dry= Total -Canned\\\\=\frac{7}{10}-\frac{3}{10}\\\\=0.40 \ cup\\\\Dry \ per \ Week= Dry/ day\times days\\\\=0.40\times 7\\\\=2\frac{4}{5}\ or\ 2.8 \ cups[/tex]

Hence, Erin feed her dog 2 4/5 0r 2.8 cups of dry food

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