The algebraic equation represents the words: Twenty percent of Tom's grade is 80 points would be 0.20x = 80. thus, option D is correct.
What is a system of equations?
A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
Let the tom's grade represneted by x.
so,
Twenty percent of Tom's grade is 80 points means
20%x = 80
20x / 100 = 80
Or 0.20x = 80
Hence, algebraic equation represents the words: Twenty percent of Tom's grade is 80 points would be 0.20x = 80. thus, option D is correct.
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