SOLUTION: Two trucks travelling in opposite directions on a highway just pass each other. One truck travels at 65km/h and the other travels at 60km/h. Find the maximum time required so that
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Question 1103391: Two trucks travelling in opposite directions on a highway just pass each other. One truck travels at 65km/h and the other travels at 60km/h. Find the maximum time required so that they will be at least 50km apart. Let x be the minimum time required for at least 50 km apart. Solve using inequalities.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You can think of this as 1 truck moving
at the sum of their speeds and the
other truck standing still
Let = minimum time in hrs for them to
be km apart
------------------------------------
hrs
also
min
min
------------------------
check:
km
and
km
and
km
OK
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