What is the solution to 4|0.5x – 2.5| = 0?

Since 4 is nonzero, the equation can equal 0 only when the absolute value is 0. Set the expression inside it equal to 0: 0.5x − 2.5 = 0, so 0.5x = 2.5 and x = 5. The correct choice is B, x = 5.

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