document.write( "Question 874770: A boat travels 90 miles upstream at a rate of (v-3). It takes the boat 30 minutes longer to travel upstream than it does for the boat to travel downstream at a rate of (v+3). How long does it take the boat to travel downstream? \n" ); document.write( "
Algebra.Com's Answer #527800 by josgarithmetic(39800) ![]() You can put this solution on YOUR website! ______________speed___________time_________distance \n" ); document.write( "up____________v-3_____________t+1/2________ \n" ); document.write( "down__________v+3_____________t____________ \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "two unknown variables, v and t. \n" ); document.write( " |