document.write( "Question 1160773: there are 357 seniors in harris highschool. The ratio of boys to girls is 7:10. How many girls are in the senior class? \n" ); document.write( "

Algebra.Com's Answer #784167 by ikleyn(52805) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "As the problem states, there are 7 + 10 = 17 groups of seniors, all groups have equal population.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "So, one group (= each group) is   = 21 student.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Hence, the number of girls is  21*10 = 210.      ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );