document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197959>Question 1197959</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For a charter bus, students must pay $30 each if 28 students go on the trip. If only 21 students sign up for the trip, how much would each have to pay if the total cost is the same? </SPAN>\n" );
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document.write( "Here is a solution method that requires only a single calculation.<br><BR>\n" );
document.write( "The number of students changes by a factor of 21/28 = 3/4; since the total cost remains the same, the cost per student changes by a factor of 4/3.<br><BR>\n" );
document.write( "ANSWER: (4/3)($30) = $40<br><BR>\n" );
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