Mr. Lazarev had 640 books. He sold ¼ of them for $2.00 each in the month of September. He sold half of the remaining books in October. Each book sold in October earned ¾ of what each book sold for in September. How much money did Mr. Lazarev earn selling books?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x