5 km = 5000 M = 500000 Cm
Answer:
48 minutes
Step-by-step explanation:

144÷3=48
This division question is asking how many 1/4 you can fit into 50 1/2.
We can fit 4 of them into 1 whole (4 x 1/4 = 1)
We can fit 8 of them into 2 wholes (8 x 1/4 = 2)
and so on.
But we have 50 1/2 wholes, so we would need 50 1/2 x 4.
The new number sentence is 50 1/2 x 4.