Answer:
The correct choice is option D.
Detailed explanation:
Any fraction where m > n can be represented as a/b
where a = quotient
b = remainder.
The specified number is given as m/n.
3)4( 1 ← quotient
- 3
____
1 ← remainder
In this case, quotient= 1, remainder=1, and n=3.
.
Result: 4.8 hours
Detailed explanation:
Josh: 
Father: 
Together: 
Josh plus Dad equals Together
+
= 
+
=
(24x)
3x + 24 = 8x
-3x -3x
24 = 5x
÷5 ÷5
4.8 = x