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Question
The ratio of zinc and copper in an alloy is
$7:9$
.If the weight of the copper in the alloy is
$11.7$
kg. Find the weight of the zinc in the alloy.
Easy
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Solution
Verified by Toppr
Given that,
Weight of zinc
$=7x$
Weight of copper
$=9x$
Total weight of alloy
$7x+9x=11.7kg$
$x=1.3kg$
Hence,
Weight of zinc
$=7×1.3=9.1kg$
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