document.write( "Question 1167085: In a class of 30 students, 20%have back hair, 10%have blond hair, 70%have brown hair. Calculate the number of students with;
\n" ); document.write( "a) black hair
\n" ); document.write( "b)blonde hair
\n" ); document.write( "c)brown hair
\n" ); document.write( "

Algebra.Com's Answer #791669 by dkppathak(439)\"\" \"About 
You can put this solution on YOUR website!
In a class of 30 students, 20%have back hair, 10%have blond hair, 70%have brown hair. Calculate the number of students with;
\n" ); document.write( "a) black hair
\n" ); document.write( "b)blonde hair
\n" ); document.write( "c)brown hair
\n" ); document.write( "solution
\n" ); document.write( "a) Black Hair 30x0.2=6 students
\n" ); document.write( "b) Blonde Hair =30x0.1=3 students
\n" ); document.write( "c) Brown Hair =30x0.7=21 students
\n" ); document.write( "
\n" ); document.write( "
\n" );