document.write( "Question 1029847: Can't figure out how to set this problem up correctly\r
\n" ); document.write( "\n" ); document.write( "Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 4 hours on the road.\r
\n" ); document.write( "\n" ); document.write( "Doreen can maintain a speed of 9.9 miles per hour, which is 90% of Irena's speed.\r
\n" ); document.write( "\n" ); document.write( "If they meet exactly as planned, what is the distance between their houses?
\n" ); document.write( "

Algebra.Com's Answer #644780 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "
Solved by pluggable solver: SOLVE a linear equation
Solve \"2%2Ax%2B1=5\". Move 1 to the right: \"2%2Ax=5-1\". Divide by 2: \"x=%285-1%29%2F2=4%2F2+=+2\"

\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 4 hours on the road.\r
\n" ); document.write( "\n" ); document.write( "Doreen can maintain a speed of 9.9 miles per hour, \r
\n" ); document.write( "\n" ); document.write( "which is 90% of Irena's speed.
\n" ); document.write( "Irena,s speed will be 9.9*100/90
\n" ); document.write( "Irena's speed = 11 mph\r
\n" ); document.write( "\n" ); document.write( "Let the distance between their houses be x
\n" ); document.write( "t=d/r\r
\n" ); document.write( "\n" ); document.write( "they are moving towards each other.
\n" ); document.write( "their rate together will be 11+9.9 = 20.9 mph
\n" ); document.write( "t=4\r
\n" ); document.write( "\n" ); document.write( "4 = x/20.9\r
\n" ); document.write( "\n" ); document.write( "x= 83.6 miles\r
\n" ); document.write( "\n" ); document.write( "the distance between their houses is 83.6 miles\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If they meet exactly as planned, what is the distance between their houses?
\n" ); document.write( "
\n" );