Traditional Culture Encyclopedia - Weather forecast - With the coming of summer, the weather is getting hotter and hotter. A store raised the price of a carbonated drink by 10% and lowered the price of a fruit juice drink.
With the coming of summer, the weather is getting hotter and hotter. A store raised the price of a carbonated drink by 10% and lowered the price of a fruit juice drink.
3,4.
Test and analysis: Let's assume that each bottle of these two drinks is X yuan and Y yuan before price adjustment. According to the cost of buying one bottle of these two drinks before the price adjustment, 7 yuan is needed, and after the price adjustment, it takes 17.5 yuan to buy three bottles of carbonated drinks and two bottles of juice drinks. Then, list the equations and find the solutions.
Test analysis: suppose that before the price adjustment, each bottle of carbonated drinks is X yuan, and each bottle of fruit juice drinks is Y yuan.
The solution is:
A: Before the price adjustment, the price of this carbonated beverage per bottle was 3 yuan, and the price of this fruit juice beverage per bottle was 4 yuan.
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