SOLUTION: How do you solve this word problem... car A leaves travelling 60 miles per hour. Car B leaves 2 hours later travelling 80 miles per hour. At what time does the second car meet the
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> SOLUTION: How do you solve this word problem... car A leaves travelling 60 miles per hour. Car B leaves 2 hours later travelling 80 miles per hour. At what time does the second car meet the
Log On
Question 915126: How do you solve this word problem... car A leaves travelling 60 miles per hour. Car B leaves 2 hours later travelling 80 miles per hour. At what time does the second car meet the first car? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! How much is car A's head start? mi
------------------
Start a stopwatch when car B leaves
Let = time in hrs on the
stopwatch when B catches A
--------------------------
A's equation:
(1)
B's equation:
(2)
-----------------
Substitute (2) into (1)
(1)
(1)
(1)
B catches A in 6 hrs
--------------------
check:
(2)
(2)
and
(1)
(1)
(1)
-----------------
OK
