The human body contains many elements from the periodic table. It is mostly composed of oxygen and carbon, but trace elements also have a significant role. The table gives the mass, in kilograms, of some elements found in the human body, based on a $70\mathrm{.}0kg$ person.

$\backslash$table$[[$Atomic number,Element,Mass $($kg$)],[8,$oxygen,$45\mathrm{.}2],[6,$carbon,$12\mathrm{.}6],[1,$hydrogen,$7\mathrm{.}0],[7,$nitrogen,$2\mathrm{.}2],[20,$calcium,$1\mathrm{.}3],[15,$phosphorus,$0\mathrm{.}78],[19,$potassium,$0\mathrm{.}25],[16,$sulfur,$0\mathrm{.}18]]$

Sulfur makes up what fraction of the mass of the human body? Give your answer in decimal form.

fraction of $S$

Sulfur makes up of the human body?

$\%S=$

$\%$

What is the mass of phosphorus in a $55kg$ person?

mass $ofP=$