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? A.(7.50)(−3) = −22.50; she withdrew $22.50 B.(−7.50)(3) = −22.50; she withdrew $22.50 C.(−7.50)(−3) = 22.50; she withdrew $22.50 D.(7.50)(3) = 22.50; she withdrew $22.50