Martha paid $42.40 for her sisters birthday present. this included 6% sales tax. what was the cost of the gift before tax?

The north american colonies experienced a steady increase in population since the first settlement in jamestown in 1607. by 1775, the colonies' population was around 2,500,000, and most of the colonists lived east of the allegheny mountains. how did geography influence the settlement of america's first colonies?