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A diamond ring was reduced from $999.99 to $299.99. Find the percent decrease in the price. Round the answer to the nearest tenth of a percent.

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Step-by-step explanation:

999.99 × x% = 299.99

999.99÷100 × x = 299.99

9.9999 × x = 299.99

9.9999x = 299.99

D.B.S by 9.9999 to make x the subject

9.9999x÷9.9999 = 299.99÷9.9999

x=29.999299993

To the nearest tenth of a percent, x=30

Therefore, x = 30%

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