Question

Brian purchase 4 items that were $1.00 each. The sales tax rate was 5.5% . How much was brian total bill including sales tax ?

Answer 1

0.44

Explanation:

I took the test:)

Answer 2

well, each item is $1, and there are 4 of those, so all cost $4 then, what's the 5.5% of that?

`\bf \begin{array}ll \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{5.5\% of 4}}{\left( \cfrac{5.5}{100} \right)4}\implies 0.22`