Walking \(\dfrac{3}{4}\) of his usual speed, Raghu is 45 minutes late to his office. What is his usual time to cover the distance to the office?

Walking \(\dfrac{3}{4}\) of his usual speed, Raghu is 45 minutes lat

1.	Walking \(\dfrac{3}{4}\) of his usual speed, Raghu is 45 minutes late to his office. What is his usual time to cover the distance to the office?
A.	\(2\dfrac{1}{4}\) hours
B.	1 hour
C.	2 hours
D.	\(1\dfrac{1}{2}\) hours
Answer» B. 1 hour