Answer:
Half a block ( 0.5 or 1/2 )
Step-by-step explanation:
8 1/2 blocks can also be written as 8.5 blocks.
If Kira walks 8.5 blocks in 17 minutes [and continues to walk at this steady pace], divide 8.5 by 17.
8.5/17 = 0.5
So, Kira walked 0.5 or 1/2 blocks in a minute.
I hope this helps! :)
