a street has a row of 15new houses for sale .the middle house is on the most desirable piece of property and is the most expensive .the second house from one end costs 3000more than the first house ,the third house costs 3000more than the second hous

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a street has a row of 15new houses for sale .the middle house is on the most desirable piece of property and is the most expensive .the second house from one end costs 3000more than the first house ,the third house costs 3000more than the second hous
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a street has a row of 15new houses for sale .the middle house is on the most desirable piece of property and is the most expensive .the second house from one end costs 3000more than the first house ,the third house costs 3000more than the second hous
a street has a row of 15new houses for sale .the middle house is on the most desirable piece of property and is the most expensive .the second house from one end costs 3000more than the first house ,the third house costs 3000more than the second house and so on up to and including the middle house .the second house from the other end costs 5000more than the first house and the third house costs 5000more than the second house and so on up to and including the middle house .the total of all the houses on the street is 3091000.determine a system of equations and then use elimination to calculate the selling price of the houses at each end of the street give a reason for your answer

a street has a row of 15new houses for sale .the middle house is on the most desirable piece of property and is the most expensive .the second house from one end costs 3000more than the first house ,the third house costs 3000more than the second hous
左边第一间 205600
右边第一间 191600
问题问得是一排15套房子
总价是3091000
中间的最贵
左边依次递增3000
右边依次递增5000
所以
设左边为x,右边为y
x+3000*7=y+5000*7
x+(x+3000)+(x+3000*2).+(x+3000*7) + y+(5000).+(y+5000*6)=3091000

the street has a lot of traffic. can you row a row a boat中文 What row are you in?I am in--- A ROW ONE B ROW FIRST C FIRST ROW D ONE ROW The town of Longview has a very busy street. row a boat的意思 row.a.boat中文是什么意思 10 days in a row 翻译a front-row seat 3 dacks in a row a street has a row of 15new houses for sale .the middle house is on the most desirable piece of property and is the most expensive .the second house from one end costs 3000more than the first house ,the third house costs 3000more than the second hous Are you ____ Yes,I am.A.Row Four B .in Row four C.in Row Four D.Row four Row,row,row your boat gently on the lake.Merrily,merrily,merrily,merrily,merrily row a boat.译 he is in ( ).A.Two Row B.two row C.Row Two D.row two应该选择哪个 in a street还是at a street he has o _______ a child that is a small city .it has a busy street.(合为一句) that is a small city .it has a busy street.(合为一句)