There is an air conditioner. The original price is 1600 yuan. After the price increase, it will be sold for 2000 yuan. How much is the increase?

(2000-1600) △ 1600 = 400 △ 1600 = 25%; a: up 25%

RELATED INFORMATIONS

1. If each air conditioner can make a profit of 180 yuan and each refrigerator can make a profit of 120 yuan, then how much yuan can Liming home appliance city make a profit from air conditioners and refrigerators every month? Sales volume of refrigerator in Liming home appliance city in June: 30 sets, sales volume of air conditioner: 45 sets Sales volume of refrigerator in July: 50, sales volume of air conditioner: 75 Sales volume of refrigerator in August: 45, sales volume of air conditioner: 60 Sales volume of refrigerator in September: 25, sales volume of air conditioner: 40 Sales volume of refrigerator in October: 10 units, sales volume of air conditioner: 30 units
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