Question

A skydiver jumped 144 feet in three seconds how long did it take per second

Answer 1

144ft------------------------------>3s

xft -------------------------------->1s

Using cross-multiplication:

`\begin{gathered} (144)/(x)=(3)/(1) \\ solve_{\text{ }}for_{\text{ }}x\colon \\ x=(144\cdot1)/(3) \\ x=(48ft)/(s) \end{gathered}`

Answer:

48ft/s