In how many ways can 6 toy animals be arranged in a line on a shelf if one of the toys is a tortoise and it must be at the end of the line?

3 answers

if the tortoise is last, then you just have to worry about the other 5 animals.

So, in how many ways can you arrange 5 things?
Let's be rational
In how many ways can 6 toy animals be arranged in a line on a shelf if one of the toys is a tortoise and it must be at the end of the line?