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2道英语数学题Theproductofthesumofthefactorsandsumoftheprimefactorsof36is(A)360(B)720(C)910(D)960Arthur,theauthor,receives5%royaltiesonhistextbooksbeforetheyaremarkedupbythebookseller.Thebookseller'smargi
题目详情
2道英语数学题
The product of the sum of the factors and sum of the prime factors of 36 is
(A) 360 (B) 720 (C) 910 (D) 960
Arthur,the author,receives 5% royalties on his textbooks before they are marked up by the
bookseller.The bookseller's margin is 30%,which results in each book selling for $16.If he
receives a cheque for $672,then sales for the payment period must have been
(A) 1,000 (B) 1,100 (C) 1,200 (D) 1,350
I WONDER WHY
The product of the sum of the factors and sum of the prime factors of 36 is
(A) 360 (B) 720 (C) 910 (D) 960
Arthur,the author,receives 5% royalties on his textbooks before they are marked up by the
bookseller.The bookseller's margin is 30%,which results in each book selling for $16.If he
receives a cheque for $672,then sales for the payment period must have been
(A) 1,000 (B) 1,100 (C) 1,200 (D) 1,350
I WONDER WHY
▼优质解答
答案和解析
第一道的确没想明白..
第二道是这样的
设共卖出X本
那共赚的就是16X $ 咯
然后卖书的要获利总共的30%
那剩下的就是70% * 16X
这个数再乘以ARTHUR应得的5%
就可以得到672$
列式计算
16X * 70% * 5% = 672
就可以算出来哦
第二道是这样的
设共卖出X本
那共赚的就是16X $ 咯
然后卖书的要获利总共的30%
那剩下的就是70% * 16X
这个数再乘以ARTHUR应得的5%
就可以得到672$
列式计算
16X * 70% * 5% = 672
就可以算出来哦
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