document.write( "Question 899424: In a class, 80 students passed and the rest failed. If 80% of the students failed, find the number of students in the class. Please write down your solution.\r
\n" ); document.write( "\n" ); document.write( "Two candidates A and B ran in an election. A got 46% of the valid votes and was defeated by 1,600 votes. Find the total number of valid votes cast in the election.\r
\n" ); document.write( "\n" ); document.write( "My income was increased by 10% and later decreased by 10%. What was the total change in percent in my income. \n" ); document.write( "

Algebra.Com's Answer #545389 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi
\n" );
document.write( "20% passed
\n" );
document.write( ".20T = 80
\n" );
document.write( "   T = 80/.20 = 400 students in the class\r
\n" );
document.write( "\n" );
document.write( ".56T - .46T = 1600
\n" );
document.write( "    T = 1600/.04\r
\n" );
document.write( "\n" );
document.write( "(1.10)(.90) = .99     (decreased by 10%..will receive 90%)
\n" );
document.write( "Total change from the b eginning: 1% decrease \n" );
document.write( "

\n" );