A computer store buys a computer system at a cost of $487.20. The selling price was first at $812, but
1 answer:
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Answer:
A, C, D
Step-by-step explanation:
Solve all equations:
A.
This is incorrect equality, so the equation has no solutions.
B.
This is correct equality, so the equation has infinitely many solutions.
C.
This is incorrect equality, so the equation has no solutions.
D.
This is incorrect equality, so the equation has no solutions.