Math, asked by gaike1983, 1 year ago

Chalk contains carbon,calcium & oxygen in the ratio3:10:12. Find the percentage of calcium in the chalk

Answers

Answered by sudamaprasad08011973

3

3+10+12=25

Carbon=3/25X100

=3X4

=12%

Calcium =10/25X100

=10X4

=40%

Oxygen =12/25X100

=12*4

=48%

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