document.write( "Question 957182: A cruise ship can sail 25 mph in calm water. Sailing with the Gulf Stream, the ship can sail 256 mi in the same amount of time it takes to sail 144 mi against the Gulf Stream. Find the rate of the Gulf Stream. \n" ); document.write( "
Algebra.Com's Answer #854589 by greenestamps(13364) You can put this solution on YOUR website! \n" ); document.write( "Tutor @ikleyn sets the problem up with an equation which says the two times (distance divided by rate) are equal: \n" ); document.write( " \n" ); document.write( "That of course is one valid way to set the problem up. \n" ); document.write( "Another valid way to set the problem up is to use a proportion which says that, since the times are equal, the ratio of the distances is equal to the ratio of the speeds: \n" ); document.write( " \n" ); document.write( "Clearly the two ways of setting up the problem lead immediately to identical calculations to get the answer -- so it is a matter of personal preference for which method to use. \n" ); document.write( " \n" ); document.write( " |