GIVEN TRIANGLE POR WITH P(1.6) (3.1) AND R(8.3). WHAT POINT BISECTS PQ? B) WHY DO SLOPES OF THE PO AND QR SHOW THAT M​

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday