It is an extremely economical way to attack our troops.

This promotion was designed to be extremely economical, which is why a letter was the only means of communication.

The materials used for academic dress varies and range from the extremely economical to the very expensive.

Simpson especially cited the last movement's climax as overwhelmingly powerful and extremely economical in the use of its musical material.

It was known as an extremely economical dish, since tripes were sold at a lower price than other meat.

That new engine is quiet, characterful and extremely economical.

He has been extremely economical, with figures of 4-0-15-0.

Compared to today's remedies it was an effective and extremely economical solution: one bag of soot lasted all summer!

It usually costs nothing to play, and it is extremely economical in terms of equipment and space requirements.

It makes sense that it is extremely economical with statistics.