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The ratio of gold $x0$ $a$ copper $n$ $an$ ornament $i$ $93:7$ the weeight of the ornament $a$ $3091$ then find ihe weeight of copper in the onament.
1st-6th grade
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Qanda teacher - Kavitha
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search-thumbnail-The ratio of gold x0 a copper n an ornament
The ratio of gold $x0$ $a$ copper $n$ $an$ ornament $i$ $93:7$ the weeight of the ornament $a$ $3091$ then find ihe weeight of copper in the onament.
1st-6th grade
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$7$ $Al$ ornament of gold weighing $28$ gm contains gold and copper in the ratio $13:$ $1.$ $HoN$ much of pure gold must be added $1$ to it, $sO$ $aS$ to make the ratio of gold to copper $15:17$ $\infty $ $Of$ $4$ $\square $ $22$
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search-thumbnail-9. An ornament weighing 36 g in air, weighs only 34 g in
9. An ornament weighing 36 g in air, weighs only 34 g in water. Assuming that some copper is mixed with gold to prepare the ornament, find the amount of copper in it. Specific gravity of gold is 19 3 and that of copper is 8.9.
10th-13th grade
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