document.write( "Question 1080139: Traffic lights are green for 3/4 of the time and orange for 1/10 of the time. What fraction of the time are the lights red? \n" ); document.write( "
Algebra.Com's Answer #694354 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"1+-+3%2F4+-+1%2F10\" = \"6%2F40\" = \"3%2F20\" = 0.25 - 0.1 = 0.15.
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