Answer:

A. 500.00

x × (20% + 1) = 600

※ Apply multicative distribution law

0.2x + x = 600

※ Combine like terms

1.2x = 600

※ Divide both sides of the equation by the coefficient of variable

x = 600/1.2

※ Multiply both the numerator and denominator with the same integer

x = 6000/12

※ Cross out the common factor

x = 500

Step-by-step explanation:

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