The lock is numbered from 0 to 49. Each combination uses three numbers in a right, left, right pattern. Find the total number of possible combinations for the lock.

Respuesta :

1,0,49 2049 3049 4049 5049 6049 7039 8039 9039 , 1149 1249 and 3 4 5 6 7 8 9  in between 1,49 and then 3k then 4k and so on until 49