GMAT 数学题一道,求解. 这道题怎么翻译?Together, Andrea and Brian weigh p pounds; Brian weighs 10 pounds more than Andrea. Brian and Andrea's dog, Cubby, weighs p/4 pounds more than Andrea. In terms of p, what is Cubby's weight in pounds?
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GMAT 数学题一道,求解. 这道题怎么翻译?Together, Andrea and Brian weigh p pounds; Brian weighs 10 pounds more than Andrea. Brian and Andrea's dog, Cubby, weighs p/4 pounds more than Andrea. In terms of p, what is Cubby's weight in pounds?
GMAT 数学题一道,求解. 这道题怎么翻译?
Together, Andrea and Brian weigh p pounds; Brian weighs 10 pounds more than Andrea. Brian and Andrea's dog, Cubby, weighs p/4 pounds more than Andrea. In terms of p, what is Cubby's weight in pounds?
GMAT 数学题一道,求解. 这道题怎么翻译?Together, Andrea and Brian weigh p pounds; Brian weighs 10 pounds more than Andrea. Brian and Andrea's dog, Cubby, weighs p/4 pounds more than Andrea. In terms of p, what is Cubby's weight in pounds?
A+B=p (1)
B=A+10 (2)
C=A+p/4 (3)
(2)带入(1)得 A=(p-10)/2 (4)
(4)带入(3) 得 C=(3/4)*p-5
Andrea和Brian共重p磅，Biran比Andrea多重10磅，Brian和Andrea的狗Cubby加在一起的体重，比Andrea多重p/4(P分之4）磅。如果用p来表示，Cubby重多少磅？
楼下应该都是对的。。。我没太看仔细。。。
Andrea 和Brian 重p镑，Brian 比Andrea重10镑。Brian和Andrea的狗和Cubby之和比Andrea重4/p。用p来表示，Cubby重多少镑？