Re: [計量] Diane completed each of her ...
※ 引述《angeldas (趴趴)》之銘言：
: To obtain an FHA mortgage for $50,000 or more, the home buyer must have a down
: payment equal to 4% of the first $25,000 of the mortgage amount and 5% of the
: portion in excess of $25,000.At settlement the buyer pay a mortgage insurance
: premium equal to 3% of the mortgage amount. What is the maximun FHA mortgage,
: if any a buyer can obtain if the buyer has only $6,000 available for the down
: payment and insurance premium?
這一題回文比較快:
先要付25000的4%,再付超過金額25000以上的5%,最後是保險-->總金額的3%
設可貸X元
所以可得 25000*4% + (X-25000)*5% + X*3% =6000
--> 1000 + 0.05X -1250 + 0.03X =6000
--> 0.08X = 6250
即可得 X=78125
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