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Math problem: A school donated 2400 yuan to save the giant panda, and the proportion of donations for middle, low and high grades was 3: 4:5. How much does the senior donate?
2400/(3+4+5)=200 (yuan)

English: 200*3=600 (Yuan)

Low: 200*4=800 (Yuan)

Height: 200*5= 1000 (yuan)

A: The donation for senior students is 1000 yuan.

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