Math, asked by ramsha0080, 2 months ago

Find the percentage of
copper in the alloy.
8 Chalk contains calcium, carbon and sand in the ratio 12:3:10. Find the percentage
of carbon in the chalk.

Answers

Answered by ashu12360

2

Answer is 12 percentage

Step-by-step explanation:

In chalk, ratio of calcium, carbon and sand =12:3:10

Total of ratio's =12+3+10=25 and carbon =3

Percentage of carbon in the chalk 3

=

25

3

×100

=12%

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