document.write( "Question 1190088: Two boys can mow a lawn in 2 hours and 30 minutes. If they are joined by three other boys, how many hours will it take to mow the lawn?
\n" ); document.write( "A)1 hr B) 1 1/4 hrs C)1 1/2 hrs D)1 3/4 hrs E) 2 hrs
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Algebra.Com's Answer #821656 by josgarithmetic(39617)\"\" \"About 
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Two plus three, would be 5 boys.
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\n" ); document.write( "\n" ); document.write( "For any 1-boy rate r,
\n" ); document.write( "1 for how many lawns for one-job,
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\n" ); document.write( "\"system%282r%2A2.5=1%2Cand%2C5r%2Ax=1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"5r=5rx\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28x=1%29\"\r
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