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n/4+r/8=s/5+t/10n, r, s and t are positive integersQuantity A: 2n+rQuantity B
n/4+r/8=s/5+t/10n, r, s and t are positive integersQuantity A: 2n+rQuantity B
游客
2025-02-23
21
管理
问题
n/4+r/8=s/5+t/10
n, r, s and t are positive integers
Quantity A: 2n+r
Quantity B: 2s+t
选项
A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.
答案
B
解析
设n/4+r/8=s/5+t/10=m,那么2n+r=8m,2s+t=10m,由于n,r,s,t都是正整数,因此m也是正整数,所以答案为B。
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