document.write( "Question 236911: A deep sea diving bell is being lowered at a constant rate. After 11 minutes, the bell is at a depth of 600 ft. After 30 minutes the bell is at a depth of 1500 ft. what is the average rate of lowering per minute? \n" ); document.write( "
Algebra.Com's Answer #174284 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
(1500-600)/(30-11)
\n" ); document.write( "=900/19
\n" ); document.write( "=47.37... ft/min
\n" ); document.write( "
\n" );