the ratio of zinc and copper in an alloy is 7:9 . if the weight of. copper in the alloy is 11.7kg ,find the weight of the zinc in the alloy.
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Answered by
52
I think so it is 9.1 kg
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Ayushimishra18:
Sorry if it is wrong bcs I'm not. Sure
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ok
Answered by
79
Let zinc be 7x and copper be 9x.
9x=11.7
x=11.7/9
x=1.3
Weight of zinc=7x
=7×1.3
=9.1kg
9x=11.7
x=11.7/9
x=1.3
Weight of zinc=7x
=7×1.3
=9.1kg
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