document.write( "Question 105856: word problems-quadratic equation
\n" ); document.write( "Students sent flowers costing $20 to a sick classmate. There were four fewer students contributing than was planned, requiring each of the others to give 25 cents more. How many students contributed to the gift?
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Algebra.Com's Answer #77073 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
let x=\"students contributing\"\r
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\n" ); document.write( "\n" ); document.write( "\"20%2Fx=%2820%2F%28x%2B4%29%29%2B1%2F4\" ... 20*4*(x+4)=20*4*x+x*(x+4) ... 80x+320=80x+x^2+4x\r
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\n" ); document.write( "\n" ); document.write( "0=x^2+4x-320 ... hint: should factor nicely
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