Question

find the percent of change for:
4Ft to 11 Ft

Answer 1

4*(some percent) = 11
4x=11

Answer 2

huh

Answer 3

There's a formula for percent increase but that doesn't really matter here.

x = 11/4 = 2.75
That's the decimal increase. convert it to percetn

Answer 4

\(\large \begin{array}{llll}
4&\to 7\\
&\uparrow \\
&3\ units
\end{array}\\ \quad \\
\textit{what's 3 of 4?}\qquad
\begin{array}{ccllll}
quantity&percentage\\
\hline\\
4&100\\
3&x
\end{array}\bf \implies \cfrac{4}{3}=\cfrac{100}{x}\)