document.write( "Question 964359: The number of girls and boys in the class are
\n" );
document.write( "proportional to 1.2 and 1.4 . If the number of
\n" );
document.write( "students is between 66 and 80, then find the
\n" );
document.write( "number of boys in the class? \n" );
document.write( "
Algebra.Com's Answer #589280 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 1.2:1.4=6:7 \n" ); document.write( "6+7=13 FOR EVERY 6 BOYS THERE ARE 7 GIRLS. \n" ); document.write( "THEREFORE THERE HAS TO BE GROUPS OF 13 IN THE CLASS. \n" ); document.write( "66/13=5.07 \n" ); document.write( "5*13=65 TOO SMALL. \n" ); document.write( "80/13=6.15 \n" ); document.write( "6*13=78 WITHIN LIMITS GIVEN. \n" ); document.write( "6*6=36 BOYS. \n" ); document.write( "7*6=42 GIRLS. \n" ); document.write( "36+42=78 \n" ); document.write( " |