Question

Can someone help me with number 135?

Answer 1

so from accidental deaths we have

30 from falls

47 from fires

200 from drowning

1950 car accidents

so the total of those is 30+47+200+1950, or 2227.

the ones that weren't car accidents will be 2227 - 1950, or 277.

if we take 2227 to be the 100%, how much is 277 off of it in percentage?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 2227&100\\ 277&x \end{array}\implies \cfrac{2227}{277}=\cfrac{100}{x}\implies x=\cfrac{277\cdot 100}{2227} \\\\\\ x\approx 12.4382577~\hspace{7em}\stackrel{rounded~up}{x=12}$