Question

DesWorst Granola bars

are now 10% shorter.
If the original bar was 15 centimeters long, how long is
the new granola bar?

Answer 1

Explanation:

Answer 2

well, the new granola bar is just 15 minus 10% of 15

`\begin{array} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{10\% of 15}}{\left( \cfrac{10}{100} \right)15}\implies 1.5~\hfill \underset{new~size}{\stackrel{15~~ - ~~1.5}{\text{\LARGE 13.5}}}`