The ratio of copper and zinc in alloy is 9:5, if the weight of copper in alloy is 48.6
grams find the weight of zinc in the alloy.
A train covers the first 60 kilometre of its journey at 80 kilometres per hour, the next
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Answer:
27g zinc is present in alloy
Step-by-step explanation:
let the real weight of copper and zinc=9x and 5x
therefore ,
9x=48.6
x =48.6/9
x = 5.4
similarly,
5×5.4=w
27 g =w
dear second question isn't full...maybe u forget to write half
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