Math, asked by sarikabharti79, 3 months ago

chalk contains carbon calcium and oxygen in the ratio of 3: 10: 12 find the percentage of calcium in the Chalk

Answers

Answered by DHARANEESHO5

3

Answer:We have,

Calcium:Carbon:Oxygen=10:3:12

Then,

Total parts is =10+3+12=25

Now

Carbon%=

total

Carbon

×100

=

25

3

×100

=3×4

=12%

Hence, this is the answer

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