document.write( "Question 708806: the ratio of boys to girls in a class is 2:3. there are 10 boys in the class. how many girls are there? \n" ); document.write( "
Algebra.Com's Answer #436273 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=number of children in the class \n" ); document.write( "If the ratio is 2:3 this means that out of every 2+3=5 children \n" ); document.write( "2/5 are boys and 3/5 are girls, so \n" ); document.write( "(2/5)x=10 multiply each side by (5/2) \n" ); document.write( "x=25----number of children \n" ); document.write( "25-10=15----number of girls \n" ); document.write( "CK \n" ); document.write( "2:3=10:15-----OK\r \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |