Pauline spent $7.50 every day for 3 days. which expression is the best choice to her determine the total amount of money she spent? (5 points)

(7.50)(−3) = −22.50; she spent $22.50

(−7.50)(3) = −22.50; she spent $22.50

(−7.50)(−3) = 22.50; she spent $22.50

(7.50)(3) = 22.50; she spent $22.50