document.write( "Question 472197: An hour long test has 100 problems. If a student completes 20 problems in 20 minutes, how many seconds does he have on average for completing each of the remaining problems?\r
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Algebra.Com's Answer #323782 by edjones(8007) You can put this solution on YOUR website! 100-20=80 problems remain \n" ); document.write( "60-20=40 minutes remain \n" ); document.write( "80/40 = 2 problems/minute or 30 seconds on average for completing each of the remaining problems. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |