The price of a computer is first reduced by 10% and after a while by another 20%. Who is right? Explain how you are thinking.
1 answer:
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Given:
The two expressions are
To find:
Whether the given expression are equivalent or non-equivalent.
Solution:
If two expressions are looking different but they are equal after simplification, then they are called equivalent expressions.
The first expression is
The first expression is equal to the second expression after the simplification.
Therefore, the given expressions are equivalent.