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2015-05-20T20:15:07+08:00

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We just need to find the rate, so we are given with the percentage and base which are 18 andRate= \frac{Percentage}{Base} = \frac{18}{24} = \frac{3}{4} =0.75 24 respectively.

Therefore it is 0.75*100=75% pure gold.
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2015-05-21T14:40:24+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
To find the percent, divide the number by the total, simply:

18 divided by 24 is 75%

 Meaning, the other 25% is fake. Hope this helps =)
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