You must multiply 2.5 by 7 to get the answer which is 17.5 pounds
Hello there,
I hope you and your family are staying safe and healthy during this winter season.

We need to use the Quadratic Formula*
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Thus, given the problem:

So now we just need to plug them in the Quadratic Formula*
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As you can see, it is a mess right now. Therefore, we need to simplify it
, 
Now that's get us to the final solution:
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~Garebear
3a =18
3a/3 = 18/3
a = 18/3
a = 6
Hope this helps
Answer:

Step-by-step explanation:
You can use these Cramer's formulas to solve for x and y:

where

So,
