document.write( "Question 901201: A plane left the airport at 3 P.M., flying west at the rate of 250 mph. At 3:30 P.M., another plane left the airport flying west at 300 mph. At what time did the second plane overtake the first plane? \n" ); document.write( "
Algebra.Com's Answer #546591 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! This solution analysis will use time quantities instead of points in time. \n" ); document.write( "Thirty minutes means half hour.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "____________________speed____________time___________distance \n" ); document.write( "EARLY_______________250______________t+1/2__________ \n" ); document.write( "LATE________________300_______________t_____________ \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Using RT=D rule for uniform rates of travel,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The distance will be equal when the late plane going faster, overtakes \n" ); document.write( "the earlier plane going slower.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for \n" ); document.write( "First simplification, \n" ); document.write( " \n" ); document.write( " |