I've had discussions like this in the past, where people ask me "can we do it in 3 days instead of 5?" And I've found the easiest way to sell it to them is to a

I've had discussions like this in the past, where people ask me "can we do it in 3 days instead of 5?" And I've found the easiest way to sell it to them is to ask which 40% of the feature set they would like me to remove from the deliverable?