Answer:
3.51724 blocks
2.48275 blocks
Explanation:
L = Length of one block
t = Time taken by both person
[tex]Distance=Speed\times Time[/tex]
[tex]1.2t+1.7t=6L\\\Rightarrow 2.9t=6L\\\Rightarrow t=\dfrac{6}{2.9}L[/tex]
Distance that I walk
[tex]s=1.7t\\\Rightarrow s=1.7\times \dfrac{6}{2.9}L\\\Rightarrow s=3.51724L[/tex]
The Distance that I will walk is 3.51724 blocks
Distance my friend will walk
[tex]s=1.2t\\\Rightarrow s=1.2\times \dfrac{6}{2.9}L\\\Rightarrow s=2.48275L[/tex]
Distance my friend will walk is 2.48275 blocks