The sales of a particular brand of children's athletic shoes rose from $4,500,000 to $5,400,000. Find the percent of increase in sales. Round to the nearest tenth of a percent, if necessary
answer: 20% explanation: divide the difference between the two amounts by the original amount. 900,000 / 4,500,500 = .2 next you multiply by 100 to make it into a percentage instead of a decimal. .2 x 100 = 20 20%