Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?
Choose the correct choice from the following answers:
A) 30 min	B) 20 min	C) 25 min	D) 40 min	E) 45 min
Speed Ratio = 1:4/5 = 5:4Time Ratio = 4:51 -------- 5 4 --------- ? 20   ANSWER 20 min
<result>B</result>
Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?