Urgent, a mathematical problem Chen Bin, a student of Zhenhua primary school, and his parents are going to travel on the national day. The charge standard of Chunqiu travel agency is: full price for adults and half price for children. Huaxia travel agency, regardless of adults and children, is 20% off. If the basic price of the two travel agencies is the same, which travel agency do you think Chen Bin chooses is more cost-effective

Assuming that the basic price is x, the spring and autumn travel agency is 2x + 0.5x = 2.5x
Huaxia travel agency is 3x * 0.8 = 2.4x
So Huaxia travel agency is cheaper!

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