Answer:
24
Step-by-step explanation:
LP = 15 on one side
LR= 9 on the other side
____________________|____________|
P L R
add them and PR is 24
15+9= 24
The number of permutations of the 4 different digits is:

The answer is 24 ways.
Step-by-step explanation:
3x(x2 + 2x – 6) + 4(x2
– 6x + 2)