document.write( "Question 235618: I don't understand how to write an inequality from a word problem. If that doesn't make sense, my problem is that I don't know how to take an equation from a word problem. The problem is \"In a school zone, cars can go no more than 20 mi/h.\" I think I'm supposed to put x>=20, x meaning cars. That is suppose to mean cars can go less than or equal to twenty. Also I know the > Should have a line under it to show equal to, but I'm not sure how to show that on a computer.
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Algebra.Com's Answer #173518 by Theo(13342)![]() ![]() You can put this solution on YOUR website! In a school zone, cars cannot go more than 20 miles per hour.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you let x = the speed that the cars are allowed to go, then your equation becomes:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x <= 20 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This means that x is smaller than or equal to 20 which means that the speed of the cars cannot exceed 20 miles per hour.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The common conventions are:\r \n" ); document.write( "\n" ); document.write( "le means less than or equal to \n" ); document.write( "ge means greater than or equal to \n" ); document.write( "gt means greater than \n" ); document.write( "lt means less than \n" ); document.write( "eq means equals\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In symbols, if you use the following, it should be understood\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "= implies equals \n" ); document.write( ">= implies greater than or equal to \n" ); document.write( "<= implies less than or equal to \n" ); document.write( "> implies greater \n" ); document.write( "< implies less than\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The algebra.com formula generator program will take these symbols and make the following out of them:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = y becomes \n" ); document.write( "x > y becomes \n" ); document.write( "x < y becomes \n" ); document.write( "x >= y becomes \n" ); document.write( "x <= y becomes \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |