document.write( "Question 548742: A cargo ship left Montreal for Halifax at 15km/h. One hour later, a patrol boat left Montreal at 20km/h, trying to overtake the cargo ship. After how long did the patrol boat overtake the cargo ship? \n" ); document.write( "
Algebra.Com's Answer #358441 by mathstutor458(57)![]() ![]() ![]() You can put this solution on YOUR website! let the time is 't' \n" ); document.write( "A cargo ship left Montreal for Halifax at 15km/h \n" ); document.write( "One hour later, a patrol boat left Montreal at 20km/h \n" ); document.write( "Therefore,distance travelled by the both ships 15(t+1) = 20t \n" ); document.write( " 15t+15=20t =>5t=15 =>t=3hrs\r \n" ); document.write( "\n" ); document.write( "overtaking time is 3hrs \n" ); document.write( " |