The answer is 6.3. because 9*7=63 then just add the decimal
If she got 9 messages last week and 3rimes as much this week then she got 27 messages because 9x3=27
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Answer:

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.

Hence, Erin feed her dog 2 4/5 0r 2.8 cups of dry food
25 - 0.15(40)
25-6
19
The remaining balance is $19.
Hope this helps!