Question

Irfan went to sleep at 9.50 p.m. and awoke at 5.25 a.m. For how long did he sleep?

Answer 1

Answer:

7 hours 35 minutes

Step-by-step explanation:

9.50 to 4.50 equals 7 hours next 4.50 to 5.00, 10 minutes next 5.00 to 5.25 is 25 minutes so total is hr min

7. 10 +

00. 25

----------------

7. 35

Answer 2

Given:

Irfan went to sleep at 9.50 p.m. and awoke at 5.25 a.m. For how long did he sleep?

Solution:

Calculate the total time,

Calculate the time 9.50 to 12.00 then 12.00 to 5.25

$\[\begin{array}{l} = 2h:10m + 5h:25m\\ = 7h:35m\end{array}\]$

Hence he sleep for $\[7h:35m\]$.