Now $60\%$ of the requests can be satisfied by the local cache server and $40\%$ by original server. What is the average rate $($in Mbps$)$ at which each client can receive data if both of them sending messages to original server?

Note: Show your work all calculations and formula $($either text or insert stuff $($insert image$)->$ my computer $)!$ No $3$rd party link e$.$g$.$ google drive!