What does half as many do. mean?
The nation's decades-long battle against smoking has been remarkably successful, especially among teens. In 1997, 36% of high school students smoked. Today, half as many do.
half as many students smoke?
Does it refer to half as 36%?That's quite an accomplishment, particularly because all but 10% of smokers take up the habit during their teens. But the decline has slowed, and the youth smoking rate is still far too high. These young recruits will be tomorrow's addicts, and many will become victims of lung cancer and heart disease in coming decades.