x=y 61x+73y=402

Question

Two trucks leave New York at the same time traveling in opposite directions. One travels at an average speed of 61 mph and the other at 73 mph. In how many hours will they be 402 miles apart? X = the first truck and y = the second truck. Solve by using the method of addition. Systems of Linear Equations by Addition. Thank you muneepenee

Answer 1

??????????????????? du the 2 triks go in SAME direkshun...like on same rode ???????????

if so, delta speed=73-61=12 MPH

time tu be 402 miles apare=402/12=33.5 ours

######### but if em go in OPPOSIT direkshun, delta speed =73+61=134 MPH

time=402/134=3 ours