7(-6) - 3
-42 -3
-45
Your answer is -45
Answer:
2:1
Step-by-step explanation:
30/15=2/1
2:1 is the answer you are looking for
Hope it helped
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Edit: Bottom left is correct.
The number of arrangements is an illustration of permutations.
The number of arrangement is 5040
The given parameter is:
<em />
<em> --- number of days</em>
<em />
<em> --dinners for 7 days</em>
<em />
So, the number of different arrangement is

Substitute known values




Hence, the number of arrangement is 5040
Read more about arrangements at:
brainly.com/question/15301090