An article was marked #80.00 During clearance sales a costumer paid #60.00 for it. What was the discount percentage
1 answer:
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Answer:
D
Step-by-step explanation:
Consider the equation:
Use distributive property in both sides:
Separate terms with x into the left part and terms without x into the right part:
Since you get true equality 0 = 0, the equation is true for all real values of x. So, the equation has infinitely many solutions.
