Question

问三道英语奥数题

1. There are three piles of apples. the apples in the first pile is half more than the apples in the second piles and the apples in the third is one quarter less than in the first pile. the total number of these apples is 2900. how many apples are there in the first, the second and the third pile of apples?

2. There were some books in the library. at present, seven eighths of books have been lent out. later, the library buys anther 125 books and now the number of the books in library is one third of the original. how manybooks were there in library original?

3.The number of the boys in a schlli is seventy-two more than one third of total number of students of the school. while the number of the girls is twenty less than three fifths of that of total number. how many boys and girls are there in the school?

Answer 1

1，the first pile of apple is 1200,the second is 800 ,the third is 900
2.there are 600 books in library original
3 there are 332 boys and 448girls in the school
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Answer 2

1，the first pile of apple is 1200,the second is 800 ,the third is 900
2.there are 600 books in library original
3 there are 332 boys and 448girls in the school