The approximate number of books in this library is about 22,000.

And the Baron is no fool, he will know our approximate number.

The approximate number of possible spectators is estimated to around 1300.

They wanted to know the approximate number: 400, 600, 800?

Four suits: The approximate number of weeks in a month.

The approximate number of red bricks in the school is roughly 560,000.

The approximate number of people we will invite is 100.

Can you give me an approximate number of the people you're expecting at the event?

In 2011 the approximate number of new cases diagnosed was 220,000.

Here are 12 activities and the approximate number of calories they burn.