Tom earned $600 last summer delivering newspapers. this summer, he earned 20% more. how much did he earn this summer?

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4