Question

que - 7...
5 grams of an alloy contains 3/ 3 by 4 grams
copper and the rest is nickel
find the ratio by weight of
nickel to copper??

class -7th
chapter- ratio and proportion

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Answer 1

$\huge\tt\blue{Answer:}$

Weight of Copper=15/4 grams(g)

weight of nickel = 5g-15/4 g

=(20-15/4) g

=5/4 grams.

Ratio of weight of nickel to copper:

= 5/4÷15/4

=5/4×4/15

=1/3

Answer 2

Answer:

Your answer is above in picture.