Question 130121
Betty bought a 2- carat gemstone for $379 per carat last year. This year gemstones cost 20% more. To the nearest $100, how much more is her gemstone worth this year?
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EQUATION:
 value this year = 379 + 0.2(379)
= 1.2(379)
= $454.80
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Cheers,
Stan H.