There were 84 people at the party who each had 1 cup of juice. How many quarts of juice were used at the party? (A 12 quarts B 4
2 answers:
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Answer:
(2.83 , 1 , 4)
Step-by-step explanation:
Rewrite these equations in matrix form
we can write it like this,
so to solve it we need to take the inverse of the 3 x 3 matrix A then multiply it by B.
We get the inverse of matrix A,
now multiply the matrix with B