Re: [討論] 請教幾題數學

看板GRE (GRE入學考試)作者frostyfox (冰冷的雙眼...)時間17年前 (2007/06/06 11:24)推噓0(0推 0噓 1→)

留言1則, 1人參與討論串2/2 (看更多)

※ 引述《ttjo (.....)》之銘言： : 30. If x is percent more than y, then y is what percent less than x? : (A) 9% : (B) 10% : (C)11又1/9% : (D)12又1/2% : (E) 15% : 答案是B 這題是不是少給了幾%?? : 27. To obtain an FHA mortgage for $50,000 or more, the home buyer must have a : down payment equal to 4 percent of the first $25,000 of the mortgage amount : and 5 percent of the portion in excess of $25,000. At settlement the buyer : pay a mortgage insurance premium equal to 3 percent of the mortgage amount. : What is the maximum FHA mortgage, if any a buyer can obtain if the buyer has : only $6,000 available for the down payment and insurance premium? : (A) $62,500 : (B) $71,875 : (C) $78,125 : (D) $125,00 : (E) The home buyer cannot obtain an FHA mortgage : 答案是C 它是說為了獲得大約是50,000或者超過的mortage(不知道是啥) 買家必須先附出25000*0.04=1000 在來還要付出總mortage數扣掉25000的0.05 最後在付出總mortage的0.03 問你若是買家手上現金有6000，那他最多能拿到多少的mortage 所以假設總mortage=50000+x (25000*0.04)+(25000+x)*0.05+(50000+x)*0.03=6000 x=28125 總mortage=50000+28125=78125 : =,=一整個不知道怎麼算 : 就連知道答案後也配不出那個數字 : 請各位幫忙謝謝<(_ _)> : ps.by the way.. 筆試除了兩回Q跟兩回V之外 : 還會有多一回V/Q不計分的嗎 : 那監考員會告訴我它是不計分的嗎 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.135.56.117