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3-58.

Dr. Sanchez asked her class to simplify the expression x + 0.6x, but some students disagree on how to simplify it. Terry says that x + 0.6x = 1.6x, but Jo says that x + 0.6x = 0.7x. Who is correct? Justify your conclusion. Homework Help ✎
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Terry is correct.

(1)x + 0.6x = 1.6x

Be sure to explain why.