Question 17: Shubhi draws a table to calculate the purity of different types of gold, choose the correct values of x and y:
Carat
Parts of gold
Purity in %
24 k
24/24
99.9%
22k
22/24
X
18 k
y/24
75
a) x= 99.9 %and y = 20
b) x= 95% and y = 20
c) x = 91.7% and y=18
d) x= 86% and y= 18 .
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Answer:
b is the actual answer ok I have no time to explain sorry for it ok.
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