document.write( "Question 341728: a cruise boat travels 96 miles downstream in 2 hours and returns to its starting point upstream in 6 hours. find the speed of the stream \n" ); document.write( "
Algebra.Com's Answer #244713 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "96=(R+C)*2 DOWNSTREAM TRIP \n" ); document.write( "96=(R-C)*6 \n" ); document.write( "(R+C)2=(R-C)6 \n" ); document.write( "2R+2C=6R-6C \n" ); document.write( "-4R=-8C \n" ); document.write( "R=8C/4 \n" ); document.write( "R=2C RATE OF THE BOAT IS 2 TIMES THE CURRENT \n" ); document.write( "96=(2C+C)2 \n" ); document.write( "96=3C*2 \n" ); document.write( "96=6C \n" ); document.write( "C=96/6 \n" ); document.write( "C=16 MPH. \n" ); document.write( "96=(R+16)2 \n" ); document.write( "96=2R+32 \n" ); document.write( "2R=96-32 \n" ); document.write( "2R=64 \n" ); document.write( "R=64/2 \n" ); document.write( "R=32 MPH. \n" ); document.write( " |