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avatar+2498 

is the answer 120 5P4  (E)  just say yes or no

 Mar 3, 2016

Best Answer 

 #1
avatar+128475 
+10

Not quite, Solveit.......remember that the "long" car can only fit in one of three slots....and for each of these, the other four cars can be arranged in 4!  ways.......does that give you a hint???

 

 

 

cool cool cool

 Mar 3, 2016
 #1
avatar+128475 
+10
Best Answer

Not quite, Solveit.......remember that the "long" car can only fit in one of three slots....and for each of these, the other four cars can be arranged in 4!  ways.......does that give you a hint???

 

 

 

cool cool cool

CPhill Mar 3, 2016
 #2
avatar+2498 
0

eh stupid me :(

 

i can t understand if the long car took 2 places and there are 5 spots and 5 cars. You can only place 4 cars on the parking lot it s 4! and you can change places of the car 5 times because you have 5 cars :

4!*5=120

i am bewildered :/

Solveit  Mar 3, 2016
 #3
avatar
+10

Solveit:

Remember: 1 car has a choice of only 3 spots. It can park in any of those 3 and there will be 4 parking slots remaining. So, it has 3 choices.

The next car can park in any of 4 slots.

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,   3 slots.

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,   2 slots.

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,   1 slot.

So, we have: 3 X 4 X 3 X 2 X1=3 X 4!=72 Different ways that the 5 cars can be parked.

 Mar 3, 2016
 #4
avatar+2498 
0

Thank you Guest and CPhill ! :)

 Mar 3, 2016

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