A substantial percentage of the United States population is foreign-born. The bar graph sh...

A substantial percentage of the United States population is foreign-born. The bar graph shows the percentage of foreign-born Americans for selected years from 1920 through 2008.

The percentage, p , of the United States population that was foreign-born x years after 1920 can be modeled by the formula

According to this model, in which year will 25% of the United States population be foreign-born? Round to the nearest year.