4. Pauline withdrew $7.50 from her savings account every day for 3 days. Which expression is the best choice to help her determine the total amount of money she withdrew? (5 points)
(7.50)(-3) = -22.50; she withdrew $22.50
O (-7.50)(3) = -22.50; she withdrew $22.50
O(-7.50)(-3) - 22.50; she withdrew $22.50
O (7.50)(3) = 22.50; she withdrew $22.50