Notation Can Make Problems Look Harder Than They Are

Notation can make problems look harder than they are. Water with formula H₂O has 2 atoms of hydrogen for each atom of oxygen. A molecule of nicotine, C₁₀H₁₄N₂, has 10 atoms of carbon, 14 atoms of hydrogen, and 2 atoms of nitrogen. What is the ratio of atoms in the following chemical formula? (Ca is calcium) CaCO₃

A) 1 calcium to 1 carbon to 1 oxygen
B) 3 calcium to 1 carbon to 1 oxygen
C) 1 calcium to 3 carbon to 1 oxygen
D) 1 calcium to 1 carbon to 3 oxygen
E) 3 calcium to 3 carbon to 3 oxygen