1. (2022·哈尔滨模拟) Mrs. Green will buy something on sale today. All the things will be 20% off. According to the table, she may save_____ dollars.

Shopping List	Potatoes(2 kilos)	Tomatoes(1 kilo)	Eggs(3 kilos)	Meat(2 kilos)
Usual Price( $/kg)	1.5	3	5	2.5