问题标题:
GREcertainsuggestthatanindividual'sdailywaterAcertaindoctorAcertaindoctorsuggeststhatanindividual’sdailywaterintakebe1/2ounceperpoundofbodyweightplus8ouncesforevery25poundsbywhichtheindividualexceedshisorher
问题描述:
GREcertainsuggestthatanindividual'sdailywaterAcertaindoctor
Acertaindoctorsuggeststhatanindividual’sdailywaterintakebe1/2ounceperpoundofbodyweightplus8ouncesforevery25poundsbywhichtheindividualexceedshisorheridealweight.Ifthisdoctorsuggestsadailywaterintakeof136ouncesforaparticular240-poundindividual,howmanypoundsabovehisorheridealweightisthatindividual?
(A)121/2
(B)16
(C)30
(D)50
(E)120
李宗吉回答:
应该选D.
医生建议饮水的法则是:1/2ounce每磅体重(实际体重)+8ounce每25磅超重(实际体重-理想体重)
所以,240磅体重对应饮水120ounce,多于120的是超重对应的.
136-120=16=8*22*25=50
超重50磅
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