SAT2 MATH2 问题A delicatessen charges for a certain type of salad at a rate of 2 dollars for the first half-pound and 75cents for each additonal half-pound.Which of the following exressions represents the total charge,in cents for p pounds of the

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SAT2 MATH2 问题A delicatessen charges for a certain type of salad at a rate of 2 dollars for the first half-pound and 75cents for each additonal half-pound.Which of the following exressions represents the total charge,in cents for p pounds of the
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SAT2 MATH2 问题A delicatessen charges for a certain type of salad at a rate of 2 dollars for the first half-pound and 75cents for each additonal half-pound.Which of the following exressions represents the total charge,in cents for p pounds of the
SAT2 MATH2 问题
A delicatessen charges for a certain type of salad at a rate of 2 dollars for the first half-pound and 75cents for each additonal half-pound.Which of the following exressions represents the total charge,in cents for p pounds of the salad,where p is a positive integer?
A.25(6p+8)
B.25(6p+5)
C.25(3p+5)
D.1.25+1.5p
E.2+0.75(p-1)
答案是B
为什么啊.不是200+75（p-1）么?

SAT2 MATH2 问题A delicatessen charges for a certain type of salad at a rate of 2 dollars for the first half-pound and 75cents for each additonal half-pound.Which of the following exressions represents the total charge,in cents for p pounds of the
不不不 P是总共多少磅
题目说的是,第一个0.5磅 是 200 cents
剩下每 0.5 磅 75 cents
所以应该是
200+75* （p-0.5)/0.5 = 150p+125=25( 6p+5)
75后面的部分是算有多少个0.5磅

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