document.write( "Question 840906: . There are 42 students in a class. The number of boys is 3 less than twice the number of girls. How many boys and how many girls are there.\r
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Algebra.Com's Answer #506474 by hamsanash1981@gmail.com(151)![]() ![]() ![]() You can put this solution on YOUR website! let the girls in a class be x and boys = 2 times of girls - 3 \n" ); document.write( "boys = 2x-3 \n" ); document.write( "Total students are 42 \n" ); document.write( "x + 2x - 3 = 42 \n" ); document.write( "3x =45 \n" ); document.write( "x = 15\r \n" ); document.write( "\n" ); document.write( "Boys = 2(15)-3 \n" ); document.write( "=27\r \n" ); document.write( "\n" ); document.write( "Therefore No of girls = 15 and boys = 27 \n" ); document.write( " |