document.write( "Question 1143586: John is stacking boxes directly upon each other. He stacks at 1 box per minute initially and every minute after that, his stacking rate increases by 1 box per minute. If each box is 5 inches tall , in how many minutes will the stack be 30 inches tall? \n" ); document.write( "

Algebra.Com's Answer #764429 by ikleyn(52794) $\"\"$ $\"About$

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

\r\n" );
document.write( "\r\n" );
document.write( "1*5 + 2*5 + 3*5 = 30 inches.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  In 3 minutes.\r\n" );
document.write( "

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

\n" );