first number and second number and third number = Total
78 possibilities x 78 possibilities x 78 possibilities = 234
Since "order" matters, this is a permutation.
So, this can be calculated using: ₇₈P₃
"Permutation lock" would be a more appropriate name.
100×6 is 600km，use speed time hours，you can gat the answer
Answer:
y=1+1/3x
Step-by-step explanation:
