And they were bringing with them, perhaps, a formula to change everything.

The formula of the competition has changed over the years.

The basic formula for making and selling TV programs hasn't changed since the beginning of commercial television.

In other words, the basic formula hasn't changed in 36 years.

With Despain as host, the formula of the show changed.

Today it is about one-fifth, but neither the formula nor the original food budget has ever changed.

At the end of that year the formula changed and the V16's time had passed.

Some scholars of Congress are doubtful that the formula will change.

Then when Mike came, the formula changed, so we all had to go back to the classroom.

But the formula would gradually change over five years to reward states that increased the number of meals served in schools.