document.write( "Question 905371: When Mike uses a riding mower, it takes him 3 hours to mow his lawn. When he uses a push mower it takes him 6 hours to mow the lawn. (His sister can also mow the lawn in 6 hours with the push mower). Mike wanted to get the lawn mowed as quickly as possible, so he paid his sister $10 to mow with the push mower while he used the riding mower. How long will it take Mike and his sister to mow the lawn if they work together? \n" ); document.write( "
Algebra.Com's Answer #549168 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
x time together
\n" ); document.write( "\"1%2F6+%2B+1%2F3+=+1%2Fx\" |Multiplying thru by 12x so as all denominators = 1
\n" ); document.write( " 2x + 4x = 12
\n" ); document.write( "6x = 12
\n" ); document.write( "x = 2hr, time together
\n" ); document.write( "
\n" );