document.write( "Question 1110478: A butterfly flew 4 mi. with the wind in 1 hr. It returned against the same wind in 1 hr. 15 min. Find the rate of the wind. \n" ); document.write( "
Algebra.Com's Answer #725465 by josgarithmetic(39618)\"\" \"About 
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r, speed without wind
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\n" ); document.write( "\n" ); document.write( "\"system%28r%2Bw=4%2Cr-w=4%2F%281%261%2F4%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28r%2Bw=4%2Cr-w=16%2F5%29\"\r
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\n" ); document.write( "\n" ); document.write( "Use Elimination Method...\r
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\n" ); document.write( "\n" ); document.write( "\"system%28r=3%263%2F5%2Cw=2%2F5%29\"
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