Question

When Shonda rides her bike at a speed of 22 mph, it takes 1 hr 30 minutes to get home from school. Today she needs to be home in 25 minutes. How fast must she ride her bike to get home in time?

Answer 1

22 mph ----> 1 h 30 min = 90 min

x --------------> 25 min

`\begin{gathered} x*90=22*25 \\ 90x=550 \\ (90x)/(90)=(550)/(90) \\ x=6.11 \end{gathered}`

answer: 6.11 mph