The ratio of copper and zinc in an alloy is 7 : 8. If the weight of zinc is 9.6 kg, find the weight of copper in the alloy.
the answer is 8.4 kg.please give me solution
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Answer:
no, wrong answer
here u should go
Step-by-step explanation:
zinc : copper = 7 : 9 : : x : 11.7
= 7/9 x/11.7
cross multiplication
= 7*11.7=9*x
= 81.9 = 9x
= 81.9/9 = x
= 9.1 = x
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