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Asked by Vijaya

160 kg of alloy contains 55 percent aluminium. How much alluminium should be added to make it 70 percent
8 years ago

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Answered by Steve
If x kg are added, then we have

.55*160 + 1.00x = .70(160+x)
8 years ago
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160 kg of alloy contains 55 percent aluminium. How much alluminium should be added to make it 70 percent

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