Walking with 5/4 of my usual speed, I miss the bus by 5 minutes.
Walking with 5/4 of my usual speed, I miss the bus by 5 minutes. What is my usual time?
Answer/Solution
20
Steps/Work
Speed Ratio = 1:5/4 = 4:5
Time Ratio = 5:4
1 -------- 5 4 --------- ? è 20
ANSWER:C
Time Ratio = 5:4
1 -------- 5 4 --------- ? è 20
ANSWER:C