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VladimirAG [237]
3 years ago
12

Help pls and no links

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0

We know a or b != 0

but a-b==0 so both are the same unknown number

b/a must = 1

so

a/b is equivalent to b/a as a/b=1 as well.

So the last answer choice.

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9514 1404 393

Answer:

  The equation should be 8 (x minus 2.75) = 78, and she needs to sell each necklace for $12.50.

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The contribution margin of each necklace is the difference between its selling price (x) and its cost (2.75). Then the total profit from 8 necklaces would be ...

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Step-by-step explanation:

hope this helps

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