document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=991991>Question 991991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Carlos's average speed for driving a 4-hour trip was 50mph. During the first two hours, he drove 60mph. What was his average driving speed for the last 2 hours? </SPAN>\n" );
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document.write( "To average 50mph for 4 hours he drove:<BR>\n" );
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document.write( "(50mph)(4hrs)=200 miles<BR>\n" );
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document.write( "During 2 hours at 60mph:<BR>\n" );
document.write( "(60mph)((2hrs)=120 miles<BR>\n" );
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document.write( "During the last 2 hours he drove:<BR>\n" );
document.write( "200 mi-120 mi=80 mi<BR>\n" );
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document.write( "His average speed was:<BR>\n" );
document.write( "80mi/2hr=40mi/hr<BR>\n" );
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document.write( "ANSWER: His average speed the last 2 hours was 40 miles per hour. </SPAN>\n" );
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