host unreachable

[grid9]

hello 

i am a collage student trying to make a project in connecting 2 networks togather

everything went fine but when trying to ping from the network to the other one it gave me host unreachable error

https://ufile.io/h290wii3

networking

thank you

[grid9]

This is what we were asked to do i did everything according to plan but i still cannot ping with a subnet mask of 255.255.240.0