Question 8
a) Find all positive integers with initial digit $6$ such that the integer formed by deleting this $6$ is $1/25$ of the original integer.
b) Show that there is no integer such that deletion of the first digit produces a result which is $1/35$ of the original integer.
b) Show that there is no integer such that deletion of the first digit produces a result which is $1/35$ of the original integer.