There are about 300 million people in the United States. A 2007 report claimed that the richest 1% of the Americans controlled 42% of the nation's wealth. About how many people is this?

Answer 1

1% of a quantity is 0.01 times the quantity, so 1% of 300,000,000 is

0.01 x 300,000,000 = 3,000,000