Pay attention to the "word" in the application questions, such as
A certain number, m, is 20% more than three times that of 8. To find m, the correct equation is:
One m-8x3=20%
B m-8x3=8x20%
C m-8x3=8x( 1+20%)
D m-8x3=20%m
The correct answer is a.
Understanding 20% as 20% of M will lead to mistakes. It is found that 20% is neither 20% of 8 nor 20% of M. Therefore, we should grasp the key words to understand the problem and pay attention to the known conditions given by the problem.
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